Does God Exist? A Contemporary Conversation on Classical Arguments

Does God exist has been an enduring and lively question across centuries, generating rich debate in philosophy and theology.

Many writers and thinkers have approached this question with care, and the conversation continues to evolve in light of new interpretations and critiques.

Introduction

God’s existence has been an ongoing debate probably for centuries.

As we start, note that the historical conversation—between defenders like Aquinas and critics like Hume and Kant—shapes much of contemporary analytic work on the topic.

It’s been taken into consideration by many scholar people.

Scholars across disciplines—philosophers, theologians, and historians—have contributed arguments, counterarguments, and clarifying analyses.

Looking at the philosopher’s point of view, it is realized that their arguments is driven from two different disciplines which include the epistemology and the ontology [1].

Putting these distinctions side by side helps us see why some arguments appeal to reason alone while others appeal to experience or metaphysical claims.

Knowledge of theory is related to epistemology and ontology reflects on the state of nature in which human beings operates from.

Those two branches frame how a thinker will justify claims about God: whether through what we can know, or through claims about what exists and why.

Until proven wrong David Hume is a philosopher who has never believed that God exists.

Hume’s skepticism about traditional proofs forces us to examine assumptions that often go unchallenged.

He uses quite a few reasons to criticize the five arguments that Thomas Aquinas has used to prove that there is a person called god in world.

In what follows we keep Aquinas’s original claims visible while offering inserted clarifications and connective comments to help the reader follow the back-and-forth of the debate.

There is also another philosopher called Immanuel Kant who also in his own opinion does not recognize the existence of God and refutes the ontological argument provided by Aquinas1.

Kant’s objections—especially his claim about existence not being a predicate—remain central to modern debate over ontological reasoning.

Looking at Aquinas’ point of view, it is clear that God exists.

Aquinas’s Five Ways set out a natural-theological approach that seeks to move from features of the world to a necessary first cause or ultimate explanation.

His five arguments about the existence of God are the teleological one, qualities of objects in the world, the ability to move the unmoved, the one that argues that nothing results from itself and the cosmological argument.

Each of those “ways” offers a different phenomenological or metaphysical route to the same conclusion: an explanatory grounding that Aquinas understands as God.

The Problem of Evil as Objection

The idea of evil is the first argument that gives an account that there is no prove that God exists.

To assess this objection we should separate the logical, evidential, and existential versions of the problem of evil because they lead to different conclusions and responses.

It is stated from the following three arguments that the existence of God can not be true so the first one states that; evil is their and yet God has the ability to prevent it from happening.

That simple formulation raises the familiar tension between omnipotence, omnibenevolence, and the persistence of suffering in the world.

The second argument that supports the un existence of God is argued from the point that he is not all loving because he has left evil to occupy the nature of human beings [2].

Many writers respond to this by distinguishing between God causing evil, permitting evil, and allowing creatures with free will to act in morally significant ways.

The third statement that argues out the inexistence of God is that he is not universal because he can not prevent evil and but he has the interest of doing so.

Some defenses attempt to show that preventing all evil would undermine goods—like moral growth or free moral agency—that make the world intelligible as a moral sphere.

This denial of God’s existence is a false one because when looking at the argument by Aquinas, it shows that evil comes as a result inconveniencing nature.

Aquinas frames many instances of evil as privations or lacks rather than as positive substances, and that technical move changes the metaphysical stakes.

This means that evil comes to existence as a result of a certain community lacking a certain valuable good that belongs to their existing creatures hence allowed by nature2 .

Reading Aquinas sympathetically, we can see how “privation theory” treats many evils as derivative, not ultimate, which affects how responsibility and causation are assigned.

He continues to argue that evil is something rational and not real therefore can not be compared to what God can be capable of doing so it does not come from a positive source.

That claim tries to protect divine perfection by locating the source of evil within created finitude rather than within the creator.

The relationships of things with one another or persons with one another are what may cause evil exist which in result causes inconveniences amongst themselves.

Interpersonal and systemic causes of harm therefore figure prominently in contemporary versions of the problem of evil.

Lack of evil on the universe would make life go unsmooth.

Paradoxically, some theistic defenses argue that certain goods depend on the possibility of evil; others resist that conclusion entirely.

No judgments could be done against someone if no wrong is done.

But moral responsibility, blame, and praise seem to require the possibility of moral failure; the debate remains contested.

Hume’s Critique of Cosmological Reasoning

The second argument is given by David Hume who is against the arguments of Aquinas.

Hume’s empiricism and his worries about causation reduce the plausibility of moving from finite causes to a necessary being without hidden assumptions.

He is against his cosmological argument that supports God’s existence because he believes that an explanation has to be given on the existence of any creature that is found on earth.

Rather than accepting metaphysical necessity, Hume presses for explanatory parity and warns against illegitimate inferences from observable parts to an unobservable whole.

He argues that the chain of infinite notion must have the exact cause of what made it come to existence [3].

Hume’s critique pushes later philosophers to sharpen the premises that cosmological arguments require, such as contingency or the impossibility of infinite regress.

He says that since one cannot explain the reason why there are creatures on earth the answer would suggest that the chain of casual infinite is as a result of its own cause.

Contemporary defenders must therefore show why a regress is impossible or why an explanatory stop is required—each option invites technical debate.

He believes that since humans do not understand where the things and objects that are believed to be around their environment they cannot be believed that is exists.

While Hume’s skepticism is powerful, defenders of cosmological arguments often respond with modal, metaphysical, or scientific considerations meant to shore up the need for a first explanation.

Aquinas, Possibility, and Sufficient Reason

This idea that is presented by Hume is wrong to judge the existence of God because according to what Aquinas argues, he supports the existence of God from the angle of its possibility3.

From a contemporary perspective we should treat Aquinas’s talk of possibility and actuality as part of a metaphysical framework that differs from Hume’s empiricism.

The presence of God according to Aquinas explains the reason why the uncaused things have some ownership in the universe.

Aquinas aims to supply an explanatory unity for contingent reality rather than merely asserting brute facts without further grounding.

He also argues that the earth that had ones no beginning is explained in the notion of possibility or dependence of creatures inside the earth.

Aquinas’s historical and metaphysical commitments here inform the way he rules out “nothing from nothing” as unintelligible.

By using this argument, Aquinas claims that there was a time when nothing in some years back really existed3.

That claim is used to motivate the demand for a sustaining or originating cause that itself is not contingent.

If nothing existed, then nothing could result into nothing because nothing can be made out of nothing.

Because creation ex nihilo remains debated, some contemporary philosophers reframe the issue in modal or metaphysical terms (contingency, grounding, or dependency).

So, in order to support and prove the existence of God, he stated that there was and is an existing being that created all the creatures that are found in the universe which needs to support then as its responsibility.

That being is taken to be metaphysically necessary—an explanatory terminus that secures the possibility of dependent beings.

A philosopher named Leibniz Gottfried invented a principle called “Sufficient reason”.

Leibniz’s Principle of Sufficient Reason (PSR) continues to be a central resource for cosmological and contingency arguments today.

Gottfried has some great support on Thomas Aquinas argument that God exists.

Many contemporary theistic philosophers appeal to PSR-style principles to ground why there must be an ultimate explanation for contingent reality.

This principle stated that an actual preposition cannot be in existence if sufficient reasons are not provided to support the allegations being placed at hand.

The status and scope of PSR, however, remain contested among philosophers—some accept it widely while others reject a universal form.

Therefore from these sufficient reasons human beings are able to understand the causes of most of the current things that are in existence and how important they are in the society they are surrounded in.

Whether PSR succeeds in delivering metaphysical necessity is a live question that shapes responses to Hume and to Aquinas alike.

From all this point of argument, it is then that human beings realize the concept of God’s existence as true and that is why it should be supported by many.

At minimum, Aquinas’s framework shows how a metaphysical conception of necessity and dependence can support theistic conclusions for those who accept its premises.

Kant’s Objection to Ontological Arguments

Lastly Immanuel Kant disagrees with the ontological concept which was argued by Aquinas saying that an idea existing in the mind of a human being is less than that which exists in their mind and is in a form of a reality.

Kant’s famous claim that existence is not a predicate aims to show that one cannot move from conceptual perfection to real existence simply by conceptual means.

He claims that a person’s prediction does not actually do the same task as that of existence [4].

Contemporary interpreters still debate whether Kant’s move fully undermines certain versions of the ontological argument or only particular formulations.

He argues that it is like taking a substance which has no meaning and adding it up to the other that is of the same category.

That illustrative analogy was intended to show the oddity of treating “existence” as a property in the same sense as qualitative predicates.

He defends his concept by saying that God being identified as universal is what people may wish to think so they only predict and yet they can not support the statement that he actually exists.

Kant’s critique forces defenders of ontological arguments either to revise the argument or to explain how existence functions differently in theological contexts.

He continues to state that his existence is logically unpredictable because it does not fall under the logical matters that can be predictable and thus be traced to give what existence means4.

Many modern debates about modal ontological arguments, Gödelian formulations, and analytic strategies trace back to Kantian worries about predicates and existence.

His argument suggests that one can not believe that some thing is in existence and yet he is not being seen thus what is being seen is what he did and what he intends to do in some years to come.

Empiricists and ordinary-language philosophers have used similar considerations to reject strong a priori proofs of the divine.

Immanuel Kant claimed that the argument of ontology failed to prove it’s self because something that does not exist has lots of love than one which currently exists.

Whether Kant’s formulation is decisive remains contested; some contemporary theists attempt to reconstruct ontological arguments that avoid Kant’s objections.

Aquinas’s Final Response and Theological Implications

According to Thomas Aquinas’s argument, it shows that it directly supports the concept that God exists in this concept of ontology.

Aquinas’s synthesis of metaphysics and natural theology aims to show that human reason can reach certain truths about God even prior to revelation.

He claims that it is not a must for one to hear God in order to understand that how great he is or seen his body for one to that truly he exists [5].

That claim reflects Aquinas’s commitment to natural theology: the idea that some knowledge of God is accessible through created reality.

The only thing that one can do is to understand that people have different quality that may resemble to God.

Moral, intellectual, and aesthetic qualities in persons are for Aquinas analogues or reflections that point beyond themselves to a supreme source of goodness and being.

Thomas Aquinas suggests that for one to understand God’s presence he/she should be ready to ignore all his critics’ suggestions and accept that from the one who conceives human beings is greater and exists.

That exhortation is rhetorical—Aquinas invites assent from those who find his metaphysical premises persuasive rather than attempting to silence dissent.

Conclusion

In conclusion according to the arguments that are presented by Thomas Aquinas it is believable that the existence of God is true.

The conclusion depends on accepting a network of metaphysical principles—about contingency, causation, and the status of goodness—that Aquinas treats as intelligible and persuasive.

It can be viewed from different angles as vied from concepts of God’s existence the first one defending God as not being unable to deal with evil.

The competing traditions (Aquinasian metaphysics, Humean empiricism, Kantian critique) mean the debate remains rich rather than settled.

From his first point he claims that God is real and the existence of evil on earth is as a result of his wish on earth.

Readers who are persuaded by Aquinas take evil and lack as features that fit within a larger theodicy; critics press harder on the apparent cost of that move.

He is seen as the creator of evil so that human being can understand who they are and whom they want to follow.

Not all interpreters of Aquinas agree with the claim that God “creates” evil; many say God allows or permits, for reasons tied to greater goods.

He claims that evil comes when a certain community is unable to have something good that can relate to nature by human or creatures in it.

That diagnostic view invites social, moral, and political reflection on how communal lacks produce suffering.

The second point is all about things happening with a purpose or a reason that makes them exist in their own environment [6].

Teleological or purposive readings of nature form one family of reasons to infer a designer or an ordering intelligence.

He further argues that things do not exist on their own but because they were created so that they can be used to support the available creatures in it.

From a theological perspective, dependency relations in the world serve to demonstrate relationality that points beyond mere brute existence.

God created the universe and everything in it so that they can depend or rely on one another.

Whether theistic or not, many philosophers agree that explaining dependency and unity in nature is a central metaphysical task.

The universe did not come into existence by itself but there is someone who created it.

At the end of the day, the move from cosmology to a personal God requires philosophical labor that not everyone accepts.

Finally it can be drawn from his argument that God exists and he is universal.

Aquinas’s conclusion claims universality in the sense of grounding being, not in the sense of empirical visibility; that remains the heart of natural theology.

One should not expect to see someone who is greater so that he can identify him as God.

Aquinas’s claim asks us to think metaphysically rather than empirically about ultimate reality.

The only way to identify him is to reflect on the contingent order and infer an explanatory ground that is itself necessary and perfect.

Further paragraph (added, related to cited content)

Contemporary literature continues to revisit these classical exchanges: recent analytic work examines Aquinas’s dependency arguments alongside modern modal and grounding theories, while philosophers sympathetic to Hume or Kant refine skeptical lines about causation, predicates, and explanatory demands.

Careful comparative work—drawing on scholarship in metaphysics and philosophy of religion—shows that no single classical argument has produced universal agreement, but together they produce a structured space where theistic and atheistic positions continue to sharpen their claims.

Bibliography
Liu, X. (2024). On proofs for the existence of God: Aristotle, Avicenna, and Thomas Aquinas. Religions, 15(2), 235. doi:10.3390/rel15020235.

Schoot, H. J. M. (2020). Thomas Aquinas on human beings as image of God. European Journal for the Study of Thomas Aquinas, 38(1), 33–46. DOI:10.2478/ejsta-2020-0003.

Loke, A. (2021). The Teleological and Kalam Cosmological Arguments: A Contemporary Assessment. (Monograph/edited volume available via OAPEN).

Oppy, G. (rev. 2024). Ontological Arguments. Stanford Encyclopedia of Philosophy (substantive revision June 3, 2024).

Liu, X. (2024). On proofs for the existence of God: comparative perspectives and implications. Religions. (Included because it synthesizes Aristotelian-Aquinasian proofs with contemporary analysis.)