Speech to the Industry Club (21 January 1932) as quoted in The Speeches of Adolf Hitler, April 1922 – August 1939 (1994) by Norman Hepburn Baynes, Oxford University Press, p.787
1930s
“Number, place, and combination... the three intersecting but distinct spheres of thought to which all mathematical ideas admit of being referred.”
James Joseph Sylvester, Collected Mathematical Papers, Vol. 1 (1904), p. 91.
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James Joseph Sylvester 7
English mathematician 1814–1897Related quotes
“It is not of the essence of mathematics to be conversant with the ideas of number and quantity.”
Source: 1850s, An Investigation of the Laws of Thought (1854), p. 12; Cited in: Alexander Bain (1870) Logic, p. 191
Moreover, it has a beginning, a middle, and an end.
I. 1. as translated by William Whewell and as quoted by Florian Cajori, A History of Physics in its Elementary Branches (1899) as Aristotle's proof that the world is perfect.
On the Heavens
“I am able to admit two distinct trains of thought to my mind at the same time.”
The Book of My Life (1930), Ch. 13
New York Times interview (1911)