Romans 1:20 proclaims, "For since the creation of the world His invisible attributes are clearly seen, being understood by the things that are made, even His eternal power and Godhead, so that they are without excuse." This scripture asserts that the natural world itself reveals the divine, providing a universal testimony to God’s existence and attributes. Similarly, in Acts 17:16-34, Paul addresses the Athenian intellectuals, declaring, "God, who made the world and everything in it." These biblical insights suggest that humanity’s innate recognition of the created order can be strategically harnessed for evangelistic purposes. Furthermore, advances in modern science not only corroborate the foundational truths of scripture but also challenge philosophical paradigms that seek to undermine biblical authority.
Evangelism, regardless of its methodological form, must aim primarily to guide individuals towards a deeper engagement with Scripture, a response to the Gospel, and steadfastness in faith. Paul’s exhortation in Colossians 3:2 to “Set your mind on things above, not on things on the earth,” alongside Mark 8:36’s reminder—"For what will it profit a man if he gains the whole world, and loses his own soul?"—sets the spiritual priority above temporal concerns. Acts 2:38 further underscores the call to repentance and baptism, essential components of the Christian message: "Repent, and let every one of you be baptized in the name of Jesus Christ for the remission of sins; and you shall receive the gift of the Holy Spirit."

Scientific Facts as Catalysts for Scriptural Engagement
The simplicity and accessibility of certain scientific facts can serve as effective conduits to spark spiritual curiosity and open individuals to the Gospel. For instance, the universal human experience of making choices offers a profound evangelistic entry point. Acknowledging free will, as most people do, leads to a significant theological question encapsulated in Joshua 24:15: "Choose for yourselves this day whom you will serve… But as for me and my house, we will serve the Lord." Here, the human capacity for choice intersects with divine command, inviting individuals to recognize the importance of aligning their will with God’s purposes.
Free Will and the Soul: A Convergence of Scientific and Theological Inquiry
The existence of free will poses a significant challenge to materialistic explanations of human behavior. From a scientific standpoint, natural laws dictate the behavior of matter, and chemical reactions occur within these constraints. Yet, if humans were merely biochemical machines—complex assemblies of atoms and molecules—free will would be an illusion. The materialist perspective cannot adequately account for the subjective experience of choice, which implies the existence of a spiritual dimension beyond mere physical processes. Thus, the recognition of free will inherently suggests the existence of God. This acknowledgment becomes a crucial fulcrum in evangelistic efforts, providing an opportunity to affirm the reality of God’s existence, the divine nature of the human soul, and the truth of scripture as God's revelation.
The Origin of Life: Refuting Spontaneous Generation
Another intersection of science and evangelism emerges in discussions of life’s origins. Modern scientific evidence overwhelmingly supports the view that life cannot arise from non-living material, decisively refuting the long-discredited theory of spontaneous generation. This scientific reality can be presented at varying levels of complexity, depending on the audience. At a basic level, one might highlight the vast financial and intellectual resources—amounting to hundreds of billions of dollars—invested in biotechnological research. Despite the most sophisticated laboratories and brilliant minds, no experiment has succeeded in generating life from non-living matter. Even under highly controlled conditions, attempts to produce self-replicating molecules have consistently failed. The claim that life could spontaneously arise from non-living material is not only unscientific but also implausible when compared to the more reasonable claim that inanimate objects like cell phones or cars could assemble themselves—a notion no rational person would entertain.
Genomic Entropy: The Deterioration of Genetic Information
Scientific evidence also challenges the naturalistic framework, particularly in relation to Darwinian evolution. Contrary to the Darwinian assertion of increasing genetic complexity, research in genomics reveals that genetic information is in a state of decline—a phenomenon known as genomic entropy.1 Additionally, the concept of vestigial organs, once heralded as evidence of evolutionary remnants, has been overturned by contemporary biological research.2 These once-dismissed organs have been shown to possess specific, functional roles within the body. Thus, the idea of vestigiality is a relic of outdated scientific ignorance. Homologous and analogous structures, often cited as evidence of common ancestry, can instead be understood as manifestations of a single Creator who designed all life. This understanding aligns with the Christian belief, as affirmed in Genesis 1:26-27, that humanity is set apart by its spiritual essence. Furthermore, scientific critiques of secular claims regarding the age of the Earth and the origins of the universe reveal that many of these assertions are based on speculative assumptions rather than empirical evidence.3 Christians can, therefore, utilize scientific findings to bolster their evangelistic efforts, demonstrating the coherence and reliability of biblical truth.
Engaging the Agnostic Mindset: Addressing Skepticism
Agnosticism, often characterized by the belief that ultimate truths cannot be known with certainty, presents a particular challenge in evangelistic discourse. This philosophical stance, while fostering skepticism towards religious claims, also permeates secular discussions and can serve as a barrier to accepting the Gospel. However, these same secular debates—such as those surrounding the Moon landing or the flat Earth theory—offer valuable analogies for engaging skeptics and introducing spiritual truths.
For example, Moon landing skeptics often argue that belief in the event is contingent on geographical and cultural factors, noting that while only a small percentage of Americans doubt the Moon landing, skepticism is significantly higher in regions like Cuba, where educational narratives have shaped public opinion.4 However, this geographical variance in belief has no bearing on the actual truth of the event. Similarly, critics of Christianity argue that religious belief is often shaped by cultural factors, but this observation does not invalidate the truth of the Bible or the reality of Christ.
Both Moon landing skeptics and biblical critics employ perceived inconsistencies to cast doubt. In the case of the Moon landing, skeptics point to anomalies such as missing telemetry data, unusual shadows in photographs, and the absence of visible stars in lunar images. Yet, these "inconsistencies" are easily resolved through scientific explanation.5 Likewise, biblical critics often raise questions about the nature of God’s omnipotence, the problem of evil, or perceived contradictions within scripture. Addressing each concern with patience and sound reasoning can ultimately reaffirm the underlying truth.6
Scientific and Spiritual Parallels: The Convergence of Evidence and Faith
Just as the truth of the Moon landing will be reconfirmed upon humanity’s return to the lunar surface, so too will the truth of scripture be fully vindicated upon Christ’s return, as Philippians 2:9-11 affirms. This parallel serves as a profound reminder that faith and science are not adversaries but complementary paths toward truth. Properly understood, science becomes a powerful ally in the cause of evangelism. Discussions on the origin of life, the nature of free will, and the intricacies of the cosmos often lead directly back to the Creator. Through logical discourse, empirical evidence, and a commitment to the pursuit of truth, Christians can effectively demonstrate the rational foundation of their faith, ultimately guiding skeptics and seekers alike toward the Gospel.
Endnotes:
1. Jeff Miller (2017), Science vs. Evolution (Montgomery, AL: Apologetics Press), 2nd edition.
2. J.C. Sanford (2014), Genetic Entropy (FMS Publications).
3. Jerry Bergman and George Howe (1990), Vestigial Organs Are Fully Functional
(Creation Research Society).
4. “Moon Landing Conspiracy Theories” (2017),
5. Kyle Butt (2013), A Christian’s Guide to Refuting Modern Atheism.
6. Eric Lyons (2003/2005), The Anvil Rings: Volumes 1 & 2.