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It was the schooner Hesperus, That sailed the wintry sea; And the skipper had taken his little daughter, To bear him company. Henry Wadsworth Longfellow		Friday Apr 25, 2025
		Quotes: 53419 Authors: 9969

	H.W. Turnbull
	In J. R. Newman (ed.) The World of Mathematics, New York: Simon and Schuster, 1956.

Other H.W. Turnbull Quotes
Attaching significance to invariants is an effort to recognize what, because of its form or colour or meaning or otherwise, is important or significant in what is only trivial or ephemeral. A simple instance of failing in this is provided by the poll-man at Cambridge, who learned perfectly how to factorize a^2 - b^2 but was floored because the examiner unkindly asked for the factors of p^2 - q^2.