About C. S. Lewis:
Clive Staples Lewis is best known for his fictional work, especially The Screwtape Letters, The Chronicles of Narnia, and The Space Trilogy, and for his non-fiction Christian apologetics, such as Mere Christianity, Miracles, and The Problem of Pain.
Courage is not simply one of the virtues, but the form of every virtue at the testing point.
C. S. Lewis