“The evolution of scientific thought is inseparable from the history of man's efforts to resolve the perplexities of his own existence.”
Henri Poincaré, Critic of Crisis: Reflections on His Universe of Discourse (1954), Ch. 2. The Age of Innocence
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Tobias Dantzig 25
American mathematician 1884–1956Related quotes

"The God-Idea"
What Buddhists Believe (1993)

Speech in the House of Lords, on the taxation of Americans by the British parliament, 7 March 1766; as reported in The Oxford Dictionary of Quotations (1990), 2nd edn., p. 60.
“The evolution of man is the evolution of his consciousness.”
In Search of the Miraculous (1949)
Context: In speaking of evolution it is necessary to understand from the outset that no mechanical evolution is possible. The evolution of man is the evolution of his consciousness.

“Man wants to own his existence. But no one owns time.”
Source: The Time Keeper