“Residues arise … naturally in several branches of analysis …. Their consideration provides simple and easy-to-use methods, which are applicable to a large number of diverse questions, and some new results ….”
Sur un nouveau genre de calcul, 1826.
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Augustin Louis Cauchy 5
French mathematician (1789–1857) 1789–1857Related quotes
Source: Mathematical Thought from Ancient to Modern Times (1972), p. 495

Statement of 1963, as quoted in Schrodinger : Life and Thought (1992) by Walter J. Moore, p. 1
Context: I am now convinced that theoretical physics is actually philosophy. It has revolutionized fundamental concepts, e. g., about space and time (relativity), about causality (quantum theory), and about substance and matter (atomistics). It has taught us new methods of thinking (complementarity), which are applicable far beyond physics.

Source: Organizing a factory (1905), p. 1; First paragraph of the first chapter
Source: An Introduction To Probability Theory And Its Applications (Third Edition), Chapter III, Fluctuations In Coin Tossing And Random Walks, p. 67.

Introduction
Popular Astronomy: A Series of Lectures Delivered at Ipswich (1868)

In re De Nicols. De Nicols v. Curlieb (1898), L. R. 1 C. D. [1898], p. 410.
Source: The Next Development in Man (1948), p. 180