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At sixteen I was stupid, confused and indecisive. At twenty-five I was wise, self-confident, prepossessing and assertive. At forty-five I am stupid, confused, insecure and indecisive. Who would have supposed that maturity is only a short break in adolescence? Jules Feiffer		Tuesday May 05, 2026
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To isolate mathematics from the practical demands of the sciences is to invite the sterility of a cow shut away from the bulls. Pafnuti Lvovich Chebyshev

Quote Author: Pafnuti Lvovich Chebyshev

	Pafnuti Lvovich Chebyshev
	(1821-1894) In G. Simmons, Calculus Gems, New York: Mcgraw Hill, Inc., 1992, page 198 - Russian mathematician, professor, St. Petersburg.

Other Pafnuti Lvovich Chebyshev Quotes
To isolate mathematics from the practical demands of the sciences is to invite the sterility of a cow shut away from the bulls.