“He [brother, Warnie] and I even went together to Church twice: and – will you believe it – he said to me in conversation that he was beginning to think the religious view of things was after all true. MInd you (like me, at first) he didn’t want it to be, nor like it: but his intellect is beginning to revolt from the semi-scientific assumptions we all grew up in, and the other explanation of the world seems to him daily more probable.”

Walter Hooper, ed., The Collected Letters of C. S. Lewis: Family Letters 1905-1931 (San Francisco: Harper, 2004), 948; written to his friend, Arthur Greeves, dated 10 January, 1931.