One has the ordinary natural fear of danger that any man has and he subdues it by moral effort and becomes a brave man.
 C. S. Lewis, Mere Christianity (1952). copy citation

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Author C. S. Lewis
Source Mere Christianity
Topic danger fear
Date 1952
Language English
Reference
Note Adapted from a series of BBC radio talks made between 1942 and 1944
Weblink https://www.dacc.edu/assets/pdfs/PCM/merechristianitylewis.pdf

Context

“Now what psychoanalysis undertakes to do is to remove the abnormal feelings, that is, to give the man better raw material for his acts of choice; morality is concerned with the acts of choice themselves. Put it this way. Imagine three men who go to a war. One has the ordinary natural fear of danger that any man has and he subdues it by moral effort and becomes a brave man. Let us suppose that the other two have, as a result of things in their subconscious, exaggerated, irrational fears, which no amount of moral effort can do anything about. Now suppose that a psychoanalyst comes along and cures these two:” source