The Bronze Horseman (2001)
“What can you ever really know of other people's souls — of their temptations, their opportunities, their struggles? One soul in the whole creation you do know: and it is the only one whose fate is placed in your hands. If there is a God, you are, in a sense, alone with Him. You cannot put Him off with speculations about your next door neighbours or memories of what you have read in books.”
Book IV, Chapter 10, "Nice People or New Men"
Mere Christianity (1952)
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Clive Staples Lewis 272
Christian apologist, novelist, and Medievalist 1898–1963Related quotes

From Time magazine's interview with King, Volume XL, Number 23 (December 7, 1942), p. 32.
1940s

Source: Défense des Lettres [In Defense of Letters] (1937), p. 42

[Baqir Sharīf al-Qurashi, The life of Imam Muhammad al-Jawad, Wonderful Maxims and Arts, 2005]

Vol. 2, Ch. 22, § 257 "On Thinking for Yourself" as translated in Essays and Aphorisms(1970) as translated by R. J. Hollingdale
Variant translation: Just as the largest library, badly arranged, is not so useful as a very moderate one that is well arranged, so the greatest amount of knowledge, if not elaborated by our own thoughts, is worth much less than a far smaller volume that has been abundantly and repeatedly thought over.
Parerga and Paralipomena (1851), Counsels and Maxims