APOL 100 · Faith & Reason

Existence of God

Apologetics Foundational 20 min read 8 questions
On this page
  1. Overview
  2. Types of Unbelief
  3. Causes of Doubt
  4. Philosophy of Religion
  5. Reasons for His Existence: The Cosmological Argument
  6. Reasons for His Existence: Teleological Argument (or argument by design)
  7. Design of the Universe
  8. Design of the Animal Kingdom
  9. Design of the human Body
  10. Reason for His Existence: The Moral Argument
  11. Choosing to Believe: The Pragmatic Argument
  12. Reason for His Existence: Biblical Evidence
  13. Review Questions
  1. 1 On Faith & Reason

Overview

The question of God's existence is a profound and enduring one that has preoccupied the minds of philosophers, theologians, and individuals from all walks of life for centuries. While some individuals may profess unwavering belief in the existence of a higher power, others may harbor doubts or outright skepticism. The decision to believe or disbelieve in God profoundly impacts one's worldview, guiding one's moral compass, purpose in life, and approach to living. There is no individual in existence that, at some point in their lives, does not face this life changing question. Does God exist? As such there are different reasons to believe in God’s existence while there are many arguments against

His existence. Though we will not particularly address the causes of doubt in detail, they are addressed individually in other sections. As such we will briefly cover the different types of unbelief and their causes while focusing more precisely on the reason to believe God’s existence from an apologetic sense. The concepts presented will be based on the cosmological argument, the argument of cause and effect, the design argument and finally the pragmatic argument.

These arguments, while not exhaustive, offer a glimpse into the diverse reasons that individuals may believe in God's existence. The decision to believe or disbelieve in God is a deeply personal one, influenced by a multitude of factors including personal experiences, philosophical contemplation, and cultural influences. It is a question that continues to intrigue and challenge individuals throughout history, shaping their lives and perspectives in

profound ways.

Types of Unbelief

The question of God's existence has fascinated and divided humanity for centuries. While some individuals possess brilliant minds and philosophical acumen, their beliefs regarding God's presence vary widely. Some firmly embrace the concept of a divine being, while others vehemently deny its existence.

Throughout history, humanity has enjoyed the freedom to choose and believe as they please. This freedom was emphasized by Joshua when he addressed the Jewish nation, presenting them with a choice between serving the Lord or alternative deities: “And if it seems evil to you to serve the LORD, choose for yourselves this day whom you will serve, whether the gods which your fathers served that were on the other side of the River, or the gods of the Amorites, in whose land you dwell. But as for me and my house, we will serve the LORD.” (Joshua 24:15) This act highlights the individual's agency and the profound decision they must make regarding their spiritual beliefs.

Over time, various forms of unbelief have emerged. Agnostics assert that knowledge of the divine is unattainable and that individuals must embark on a continuous search without expecting definitive answers. Atheists, on the other hand, boldly proclaim the absence of God's existence. This stance, while devoid of empirical proof, becomes a belief system in itself, much like Christianity.

Another group, known as skeptics, occupy a unique position. Neither do they claim with certainty God’s lack of existence, nor do they claim the knowledge is unattainable like the agnostic. The Skeptics remain, well, skeptical of the idea. They doubt the existence, since science does not prove nor disprove, then as there is no proof, there is accordingly an unlikelihood of God’s existence. This is an unfortunate position as the skeptic solely bases himself on science, and yet the skeptic believes in the existence of love, hate or even the conscience but there is no empirical proof of their existence as of today. Yet, no one denies or doubts their existence.

Lastly, infidels represent individuals who are intolerant of God's existence and actively oppose those who embrace it. They firmly believe that the concept of God is invalid and must be condemned. Atheists can fall into this category, as they reject the existence of God and view the idea as something to be condemned.

The debate surrounding God's existence has profound implications for humanity. It influences our understanding of the universe, our purpose in life, and our moral compass. While the search for answers may be arduous, the journey itself holds immense value, fostering critical thinking, intellectual growth, and a deeper appreciation for the complexities of human existence.

Causes of Doubt

The presence of evil, pain, and injustice in the world can indeed raise doubts about the existence of God. People often struggle to reconcile the idea of a benevolent and omnipotent deity with the suffering they witness around them. This cognitive dissonance can lead individuals to question whether God is truly good, powerful, or even existent.

One common assumption is that if God were real, He would prevent such suffering from occurring. This line of thinking suggests that either God enjoys the pain and misery of humanity, making Him malevolent, or that He is unable to alleviate suffering, rendering Him not truly omnipotent. Understandably, these assumptions can prompt individuals to doubt the existence of a higher power.

However, it is important to consider alternative explanations for the presence of evil and suffering. One perspective is that suffering is a natural consequence of living in a finite and imperfect world. Just as there is beauty and joy, there is also pain and sorrow. This view does not necessarily imply that God is indifferent to human suffering, but rather that it is an inherent part of the human experience. Another perspective is that suffering can serve a purpose in spiritual growth and development. Challenges and hardships can help individuals learn, evolve, and ultimately find deeper meaning in life. More on this in a dedicated section.

It is also worth noting that one's upbringing and environment can significantly influence religious beliefs. Individuals raised in religious households are more likely to adopt the beliefs and practices of their parents and community. Conversely, those raised in non-religious or secular environments may be less likely to embrace the concept of a higher power. Additionally, societal and cultural factors can play a role in shaping religious beliefs. In some societies, religious adherence is strongly encouraged or even mandated, while in others, it is discouraged or marginalized. The surrounding and environment in a family or the education provided and information given, all plays a role in the direction of belief.

Lastly, the fear of being labeled a fool or ignorant can also deter individuals from exploring religious beliefs. In a world that often values rational and scientific thinking, acknowledging a belief in God can be perceived as irrational or unsophisticated. This social pressure can lead individuals to suppress or even deny their spiritual inclinations. Occam's razor is a significant principle propounded by the medieval philosopher William of Ockham. At its core, it advocates for simplicity and parsimony in constructing explanations, asserting that among competing explanations for a phenomenon, the one with the fewest assumptions should be favored. This principle aligns with the notion that complexity should not be introduced without compelling justification. However, Occam's razor should not be applied blindly, as there are many instances where a more complex explanation is warranted based on empirical evidence.

Overall, the decision to believe or not believe in God is a complex one, influenced by a multitude of factors. While the presence of evil and suffering can raise doubts, it is essential to consider alternative perspectives and recognize that religious beliefs are shaped by various personal, social, and cultural influences.

Philosophy of Religion

An argument, as defined by Merriam-Webster, is a "coherent series of reasons, statements, or facts intended to support or establish a point of view." Deductive arguments are a type of argument that guarantees a conclusion based on certain premises. This is because the conclusion of a deductive argument is necessarily true if the premises are true. For example, if we know that all men are mortal and that Socrates is a man, then we can conclude that Socrates is mortal.

Inductive reasoning, on the other hand, is a method of reasoning in which a general conclusion is drawn from specific statements. Inductive arguments are not as strong as deductive arguments, because the conclusion is not necessarily true even if the premises are true. For example, if we observe that the sun has risen every day for the past 100 years, we might conclude that the sun will rise tomorrow. However, this conclusion is not certain, because it is possible that the sun will not rise tomorrow. Thus, it is distinct from deductive reasoning. If the premises are correct, the conclusion of a deductive argument is certain; in contrast, the truth of the conclusion of an inductive argument is probable, based upon the evidence given.

The difference between deductive and inductive arguments can be seen in the following table:

FeatureDeductive ArgumentInductive Argument
ConclusionCertain if premises are trueProbable, based on evidence

Example

All men are mortal. Socrates is a man. The sun has risen every day for the past Therefore, Socrates is mortal.

100 years. Therefore, the sun will rise tomorrow.

Deductive arguments are often used in mathematics and science, where it is important to be able to prove statements with certainty. Inductive arguments are often used in everyday life, where we need to make decisions based on incomplete information.

Reasons for His Existence: The Cosmological Argument

The cosmological argument, also known as the argument from first cause, posits that the existence of the universe and all that it contains requires a transcendent cause. It argues that the universe, with its intricate laws and structures, cannot have arisen spontaneously or eternally but must have been created by a being with infinite power and intelligence. This argument suggests that the existence of the universe itself implies the necessity of a creator, or God.

The concept of "The First Cause" seeks to identify an ultimate cause of all events that does not itself have a cause. It is often associated with the existence of God. The exploration of this concept raises fundamental questions related to the nature of the universe and its origins:

  1. Is the Universe Eternal?:
  • If the universe is eternal, it implies that it has always existed without a beginning. In this case, the idea of a First Cause becomes irrelevant, as there is no starting point for a chain of causation.
  1. Did the Universe Create Itself out of Nothing?:
  • This question challenges the notion of something arising from absolute nothingness. The concept of creatio ex nihilo, or creation out of nothing, is often attributed to religious traditions. It suggests that the universe, along with all its matter and energy, came into existence from a state of non-existence.
  1. Was the Universe Created?:
  • If the universe had a beginning, it implies that there was a point in time when it did not exist. This raises the question of what existed before the universe came into being and what caused its creation. The First Cause argument posits that there must be an external entity responsible for the universe's creation.

The deductive reasoning of the argument of First Cause begins with two stipulations that set the foundation for its logical framework. These stipulations serve as the starting point from which the argument unfolds, establishing the necessary premises to support its conclusion.

  1. Everything that has a beginning has a cause
  • This premise asserts that any event or phenomenon that comes into existence must have a cause that brought it into being.
  1. The universe has a beginning
  • Based on scientific observations, the universe appears to have a finite age, with even the Big Bang theory suggesting a specific point of origin.

Together, these two stipulations provide the logical underpinnings for the argument of First Cause. They establish the premises that everything has a cause and that the causal chain cannot regress infinitely, thereby creating the necessity for a first cause. From these premises, the argument concludes that the universe must have a cause, and since this cause cannot have a beginning itself, there must be an eternal and uncaused cause, which is identified as God. Therefore, you may deduce the following arguments and conclusion.

  1. Therefore, the universe has a cause.
  2. Since there must be a cause that has no beginning, there must be an initial cause that is without beginning, thus eternal and creator: God

This argument is inspired by Thomas Aquinas's Argument from Causation. It presents an argument for the existence of God, which states that everything that exists has a cause, and that this chain of causes cannot go back forever. Therefore, there must be a first cause, which is God. This argument is not based on empirical evidence, but on logical deduction. It is possible to come to the conclusion that God must exist through various other arguments, such as the argument from design or the moral argument.

However, before delving into these arguments, it is essential to consider whether there must be an uncaused cause. Must there be an uncaused cause? Why can’t there be an unceasing end of caused events? The Law of Conservation of Energy, a fundamental principle in physics, states that energy cannot be created or destroyed, only transferred from one form to another. This suggests that the total amount of energy in the universe has remained constant since its inception. Entropy, on the other hand, represents the amount of unusable energy within a system. At creation, at the start, the universe had 0 entropy and maximum potential. Based on the laws of thermodynamics, it can be inferred that the maximum potential usable energy must itself have a source. If there were an unceasing end of caused events, this would imply that the universe's energy supply is perpetually replenished, seemingly contradicting the Law of Conservation of Energy. Naturally, it can be inferred that the maximum potential usable energy must itself have a source, according to the laws of thermodynamics.

Reasons for His Existence: Teleological Argument (or argument by design)

Closely related to the cosmological argument is the argument of cause and effect. This argument asserts that every effect must have a cause, and that the intricate design and order observed in nature point to an intelligent designer. The complexity of biological systems, the harmonious functioning of ecosystems, and the delicate balance of forces in the universe suggest the work of a conscious and purposeful creator rather than random chance or natural processes alone.

“Things without intelligence cannot give themselves a purpose but are ordered towards a purpose. There must be an intelligent designer that gives purpose to those without intelligence and move objects to their ends. That is God.”

The design argument, often referred to as the teleological argument, postulates that the evidence of purpose and order observed in nature implies the existence of an intelligent designer. It draws a parallel between the intricate design of a watch and the complexity of the universe, suggesting that just as a watch implies the existence of a watchmaker, the universe exhibits signs of intentional design.

The intricacies of organisms' adaptations to their environments, the interdependent relationships among species in ecosystems, and the remarkable properties of the universe that support life all contribute to the argument for a purposeful creator. These observations suggest that the world was not merely the result of random chance but rather the product of a deliberate design.

Design of the Universe

Consider the design of the universe itself. The precise orbital speeds of the Earth, the Sun, and the Milky Way, along with the vast size of the galaxy and the intense temperatures at the Sun's core, all demonstrate a level of precision that defies explanation by chance alone.

Imagine what would happen if the Earth's orbit were even slightly altered, either closer or farther from the Sun by a mere 2.5 millimeters. Such a seemingly insignificant change would have devastating consequences for life on Earth. The intricate balance of temperature, atmospheric composition, and other factors essential for life would be disrupted, leading to potentially catastrophic outcomes.

The fact that the universe operates with such incredible accuracy, where even the slightest deviations could have disastrous effects, strongly suggests the involvement of an intelligent designer. It is beyond the realm of plausibility that such a complex and finely-tuned system could have arisen solely through random processes.

The design argument finds its foundation in the belief that the intricate order and purpose observed in nature are not simply the result of natural laws or chance occurrences. Rather, they point to the existence of a higher intelligence, a creator who purposefully designed the world and endowed it with the properties necessary for life to flourish.

Design of the Animal Kingdom

The Malleefowl, an extraordinary bird native to the arid regions of Australia, showcases a remarkable

behavior related to incubation of its eggs. It engages in a complex process that involves the construction of an elaborate mound, precise temperature control, and attentive care for its offspring.

Illustration from the lesson

The male Malleefowl constructs a mound of rotting vegetation, in which the female lays her eggs. After the pit is excavated, the male Malleefowl gathers a large quantity of rotting vegetation, such as leaves, twigs, and bark. This compost is piled into the pit, creating a

substantial mound. The compost provides insulation and helps to regulate the temperature inside the mound. After laying her eggs, the female Malleefowl covers them with a layer of sand. The sand helps to protect the eggs from predators and from the elements. It also helps to distribute heat evenly throughout the mound.

The Malleefowl has a remarkable ability to control the temperature inside the mound. The male Malleefowl regularly pokes a small hole in the top of the mound and inserts his tongue to measure the temperature. If the temperature is too high, he removes some of the sand covering the eggs. If the temperature is too low, he adds more sand. The Malleefowl eggs incubate for a period of about 60 days. During this time, the male Malleefowl continues to care for the eggs, ensuring that the temperature remains optimal. The male Malleefowl also defends the mound from predators, such as foxes and goannas. After hatching, the chicks are fully developed and leave the mound to explore their surroundings.

The Malleefowl's nesting behavior showcases animal intelligence and parental care, demonstrating the amazing adaptations animals have evolved to reproduce and ensure their offspring's survival.

Design of the human Body

Saint Augustine, in his book of The Confessions, says:

“And men go forth to wonder at the heights of mountains, the huge waves of the sea, the broad flow of the rivers, the extent of the ocean, and the courses of the stars, and omit to wonder at themselves.”

The Human Individual, as a whole, is a complete wonder. Far beyond the wonder we’ve just seen in the Design of the universe.

The human individual, as a holistic entity, is a captivating enigma that transcends the awe-inspiring design of the universe itself. Physically, the human body is a masterpiece of intricate complexity. At the cellular level, the smallest units of life, known as cells, perform remarkable functions. They encode, transcribe, and deliver messages, nourish, dispose of waste, repair damage, and reproduce, all powered by their own internal energy source, the mitochondria. The intelligence and efficiency displayed by cells surpass any smart system currently in existence, and the average human body consists of approximately 100 trillion cells, of which there are 250 distinct types.

Beyond the cellular level, the body is organized into tissues, organs, and systems, each with its own specialized functions. Muscle tissue enables movement, nerve tissue facilitates communication, and organs such as the heart, liver, and kidneys work in harmonious unison to maintain homeostasis. Moreover, the various systems in the body, including the reproductive, digestive, excretory, and nervous systems, collaborate seamlessly to ensure the overall well-being of the individual.

Furthermore, the human mind is a realm of boundless wonder. It possesses the capacity for abstract thought, creativity, and self-awareness. It allows us to experience emotions, form relationships, and engage in meaningful pursuits. The human mind is not merely a passive recipient of information but an active interpreter and creator, capable of shaping our perceptions and guiding our actions.

Moreover, the human spirit transcends the physical and mental realms, embodying the essence of who we are. It encompasses our values, beliefs, and sense of purpose. It is the wellspring of our compassion, empathy, and aspirations. The human spirit is resilient, capable of overcoming adversity and finding meaning in life's challenges.

The human individual is truly an astounding creation, a marvel beyond comparison. Physically, mentally, and spiritually, we are beings of extraordinary complexity and potential. Posing this creation to mere chance and not design may seem more foolish than believing in a physically unseen Creator.

Reason for His Existence: The Moral Argument

Objective morality is self-evident – we intuitively know that some things are right and others are wrong. A universe that is random and uncreated and that operates purely on unintentional interactions can only result in subjective inclinations, not absolute morals. The existence of objective morality necessitates a supernatural source.

Choosing to Believe: The Pragmatic Argument

Finally, the pragmatic argument, also known as the existential argument, proposes that belief in God has practical and existential benefits for individuals. It posits that a belief in God can provide meaning, purpose, and moral guidance in life, fostering a sense of connection with something greater than oneself. It argues that religious belief can lead to positive outcomes such as increased well-being, social cohesion, and a sense of transcendence.

  1. If you believe in God and God does exist then your payoff is immeasurable. You will enter heaven and know eternal happiness
  2. If you believe in God and God does not exist then you have lost some pleasure but you have led a decent life. You have forfeited a given amount of ‘pleasure’ but your existence was not miserable.

If you do not believe in God and God does exist then your penalty is immeasurable. You will suffer eternal displeasure. Though the argument does not provide a deductive or inductive argument for the existence of God, it does supplement the notion of the value of believing in the existence of God providing all other arguments.

Reason for His Existence: Biblical Evidence

While there are many arguments to prove God’s existence, let’s look at two verses that prove scientific evidence of the Earth’s shape before the Greek philosophers had even proposed the idea. In the Holy Book of Job, we read, “He stretches out the north over empty space. He hangs the earth on nothing. He binds up the water in His thick clouds, yet the clouds are not broken under it. He covers the face of His throne and spreads His cloud over it. He drew a circular horizon on the face of the waters, at the boundary of light and darkness.” (Job 26:7-10) These verses clearly explain the shape of the Earth as well as how it sits in space. Furthermore, in the Holy Book of Isaiah, we read the following, “It is He who sits above the circle of the earth.” This verse also plainly describes the Earth’s shape.

The first person to propose that the Earth was round is the Greek Philosopher Pythagoras, around 500 BC. It wasn’t until two centuries later that Aristotle validated this theory. However, we know that the Holy Book of Isaiah was written between 740 and 686 BC, and the Holy Book of Job was written between 1900 and 1700 BC. Both of these Books were written before Pythagoras’ proposed theory. Thus, we have historical evidence of the accuracy of the Holy Bible.

An entire section is dedicated to the Authenticity of Scripture, but from a scientific point of view, scripture does not negate, but only supports scientific realizations. Its validity also presupposes that its content likewise is true.

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Review Questions

Try each question first — write your answer if it helps — then reveal the answer to check yourself.

  1. For discussion

    Agnosticism is the view that

    a.God exists.
    b.God does not exist.
    c.It is impossible to know whether God exists.
    d.None of the above choices.
  2. A person who holds the position that God does not exist is called a(n)

    Choose one answer

  3. Which of the following is not a cause of doubt about the existence of God?

    Choose one answer

  4. The problem of evil states that the existence of evil in the world is a problem for the belief in God because

    Choose one answer

  5. Theists use the Teleological Argument to support their belief in God because:

    Choose one answer

  6. Everything that has a beginning has a cause. True or false?

  7. Things without intelligence can give themselves a purpose.

  8. Objective morality is self-evident. True or false

Books & References
  1. , Apologetics Press , accessed 25 March 2024,
  2. Existence of God - Cause and Effect <https://apologeticspress.org/wp-content/uploads/2021/08/hsc0102.pdf>
  3. , Apologetics Press , accessed 25 March 2024, Existence of God -Design <https://apologeticspress.org/wp-content/uploads/2021/08/hsc0103.pdf>
  4. , Apologetics Press , accessed 25 March 2024, Existence of God -Morality <https://apologeticspress.org/wp-content/uploads/2021/08/hsc0104.pdf>