Keller argues that secular reason alone cannot fulfill all human needs, particularly those related to morality, meaning, and purpose. He references philosopher Jürgen Habermas, who acknowledges that secular reason cannot account for 'the substance of the human.' Keller explains that while science can describe what life is, it cannot prescribe what life ought to be. This gap is evident in historical examples like the eugenics movement, where scientific reasoning led to morally reprehensible practices. | Timothy Keller | Making Sense of God

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Secularism's Missing Elements

Keller argues that secular reason alone cannot fulfill all human needs, particularly those related to morality, meaning, and purpose. He references philosopher Jürgen Habermas, who acknowledges that secular reason cannot account for 'the substance of the human.' Keller explains that while science can describe what life is, it cannot prescribe what life ought to be. This gap is evident in historical examples like the eugenics movement, where scientific reasoning led to morally reprehensible practices.

-- Timothy Keller