Are we biologically programmed for self-destruction?
In short: While cosmic collisions might end life on Earth, the greatest threat to our survival may be our own irrationality. As we develop technologies capable of mass destruction, we must confront a difficult question: is our capacity for unwise, self-destructive behavior an unavoidable part of our biological or spiritual nature?
In his lecture for Gresham College, Professor Alister McGrath explores the tension between scientific and theological explanations of human nature. He uses Richard Dawkins’s 197sing classic work, *The Selfish Gene*, as a lens to examine whether human identity can be reduced to purely physical, chemical, and biological components, or if additional perspectives are required to understand our complexity. This investigation specifically looks at how the biological narrative of selfish genes might correlate with theological concepts of sin. It seeks to determine if scientific approaches can help resolve the problem of our capacity for selfishness.
The debate touches on the profound gap between reality and our ideals. McGrath cites William Hazlitt (1778–1830), an English essayist, highlighting his point that only people notice the gap between reality and how things should be. This tension is echoed in ancient Greek traditions, such as the stories of Hesiod and Plato regarding a lost 'Golden Age' of harmony, and in the Christian worldview of a lost paradise. This sense of loss is a recurring theme in history, where the memory of a stable, prosperous era haunts the present. Such reflections prompt us to ask if there is something fundamentally wrong with our species.
This inquiry is particularly urgent because, unlike the species wiped out by meteorites, humans possess technologies—such as nuclear weapons and designer pathogens—that allow us to trigger our own extinction event. While some modern atheist writings hold a dogmatic belief in the fundamental goodness of humanity, a Christian perspective views human nature as frail and prone to sin. The central challenge remains determining whether we can transcend our genetic predispositions and irrational impulses to ensure our future. The lecture also considers whether we can overcome our genetic limitations and predispositions. This remains a critical question as we weigh the optimistic views of the Enlightenment against the realities of human experience.
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Sources
- Summary by Intellect · source: Is Humanity Naturally Good? Richard Dawkins's Selfish Gene - Professor Alister McGrath
- Also: Is Humanity Naturally Good?
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