“His older self had taught his younger self a language which the older self knew because the younger self, after being taught, grew up to be the older self and was, therefore, capable of teaching.”
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Robert A. Heinlein 557
American science fiction author 1907–1988Related quotes

Source: Souls of Black Folk & Era of Franklin D. Roosevelt 1933-1945 & Movements of the New Left 1950-1975

Interview by Elisabeth Niebuhr in "The Paris Review Interviews: Writers at Work, Second Series" (1963) [the interview took place in March 1961]
Context: I suppose everyone continues to be interested in the quest for the self, but what you feel when you’re older, I think, is that — how to express this — you really must make the self. It's absolutely useless to look for it, you won’t find it, but it’s possible in some sense to make it.
“Self-pity is like chocolate; as you get older, you can only afford a little bit.”
Source: Dead Over Heels

“A self-taught painter is one taught by a very ignorant person.”
Quoted in The Quarterly Review vol. 119 (1866), p. 292.
posthumous, undated

“Years of secret suffering had taught me superhuman self-control.”
Source: Lolita

Stobaeus, iv. 32a. 11
Quoted by Stobaeus

Young India (8 April 1926)
1920s