Source: Education of a Wandering Man (1989), Ch. 11
“Anyone who cannot cope with mathematics is not fully human. At best, he is a tolerable subhuman who has learned to wear his shoes, bathe, and not make messes in the house.”
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Robert A. Heinlein 557
American science fiction author 1907–1988Related quotes

the Lutheran
Paradísarheimt (Paradise Reclaimed) (1960)

If you cannot tolerate the planet that it is on? Grade the ground first. If a man believes and expects great things of himself, it makes no odds where you put him, or what you show him ... he will be surrounded by grandeur. He is in the condition of a healthy and hungry man, who says to himself, — How sweet this crust is!
Letter to Harrison Blake (20 May 1860); published in Familiar Letters (1865)

Les Enfants Terribles translation by Rosamond Lehmann (1929)

“He who laughs most, learns best.”
As quoted in Creating Emotionally Safe Schools: A Guide for Educators and Parents (2001) by Jane Bluestein, p. 215

It is still a question of self-expression.
Source: The Outsider (1956), Chapter Four The Attempt to Gain Control