“What a teacher imparts by word of mouth is nothing in comparison with what he teaches us to get for ourselves from books.”
Source: Défense des Lettres [In Defense of Letters] (1937), p. 43
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Georges Duhamel 23
French writer 1884–1966Related quotes

Source: The Two Sources of Morality and Religion (1932), Chapter III : Dynamic Religion
Context: Religion is to mysticism what popularization is to science. What the mystic finds waiting for him, then, is a humanity which has been prepared to listen to his message by other mystics invisible and present in the religion which is actually taught. Indeed his mysticism itself is imbued with this religion, for such was its starting point. His theology will generally conform to that of the theologians. His intelligence and his imagination will use the teachings of the theologians to express in words what he experiences, and in material images what he sees spiritually. And this he can do easily, since theology has tapped that very current whose source is the mystical. Thus his mysticism is served by religion, against the day when religion becomes enriched by his mysticism. This explains the primary mission which he feels to be entrusted to him, that of an intensifier of religious faith.

The Shepherd of King Admetus http://www.readbookonline.net/readOnLine/1170/, st. 5

Speech in West Calder, Scotland (27 November 1879), quoted in The Times (28 November 1878), p. 10. The Conservative Prime Minister Benjamin Disraeli had proclaimed his policy as "Imperium et Libertas".
1870s
“Tradition is a persuasive teacher, even when what it teaches is erroneous.”
[Doctors: the biography of medicine, Random House, 1995, 4, https://books.google.com/books?id=22hNffrgFCkC&pg=PA4]
Doctors (1988)

Life Lessons : Truths Concerning People Who Have Lived (1909).

Der Lehrer der Liebe lehrt den Kampf, der Lehrer der lieblosen Isolierung von aller Welt aber die Ruhe.
Psychology of World Views (1919)