“A mathematician is not a man who can readily manipulate figures; often he cannot. He is not even a man who can readily perform the transformation of equations by the use of calculus. He is primarily an individual who is skilled in the use of symbolic logic on a high plane, and especially he is a man of intuitive judgment in the choice of the manipulative processes he employs.”
As We May Think (1945)
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Vannevar Bush 57
American electrical engineer and science administrator 1890–1974Related quotes

“The Man who says he can, and the man who says he can not.. Are both correct”

On John Dryden (1828)
“… a man can overcome his background, even as he can overcome a skilled opponent.”
Source: Drenai series, The King Beyond the Gate, Ch. 13

“He only employs his passion who can make no use of his reason.”

Conquest of Violence: The Gandhian Philosophy of Conflict by Joan V. Bondurant (1965) University of California Press, Berkeley: CA, p. 174. Harijan (1 February 1942) p. 27
1940s