C. S. Lewis’s Apologetics

This page contains–or will soon–some of the most common criticisms and questions to the Christian Faith, along with references to the place you can find Lewis’s answers. It also includes an index organizing the references to Lewis’s most common apologetic arguments.

Questions

How can a good and all-powerful God coexist with Evil?

  • Mere Christianity, Bk. II, ch. 3, par.1-5

Can we be good without God?

  • “Man or Rabbit,” in God in the Dock: Essays on Theology and Ethics

Can a rational person believe in miracles?

  • Miracles

Does God command things because they are right, or are they right because God commands them? (The Euthyphro dilemma)

  • The Problem of Pain, Ch. 6 (p. 100)

Why believe that Christianity is true instead of any one of the other religions?

  • Letter to Sheldon Vanauken, 14 Dec 1950
  • Mere Christianity, Bk. II, ch. 1-3

Why should I believe the Bible?

  • “What Are We to Make of Jesus Christ?” in God in the Dock


C. S. Lewis’s Apologetic Arguments

Argument from Knowledge / Thought (For Supernaturalism)

  • Miracles, Ch. 3
  • “De Futilitate,” in Christian Reflections

Argument from Morality / The Moral Argument

  • Mere Christianity, Bk I
  • Miracles, ch. 5

Lord/Liar/Lunatic Argument

  • Mere Christianity, Ch. 3 (especially par. 12-13)
  • The Problem of Pain, Ch. 1, 23-24. (This early form of the argument only presents two options: Lord or Lunatic)