In a letter to Heinrich Wilhelm Matthias Olbers (14 May 1826), defending Chevalier d'Angos against presumption of guilt (by Johann Franz Encke and others), of having falsely claimed to have discovered a comet in 1784; as quoted in Calculus Gems (1992) by George F. Simmons
“It is the mark of an educated man to look for precision in each class of things just so far as the nature of the subject admits; it is evidently equally foolish to accept probable reasoning from a mathematician and to demand from a rhetorician scientific proofs.”
Book I, 1094b.24
Nicomachean Ethics
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Aristotle 230
Classical Greek philosopher, student of Plato and founder o… -384–-321 BCRelated quotes
Feb. 15, 1766, p. 145
Life of Samuel Johnson (1791), Vol II
Gakumon no Susume [An Encouragement of Learning] (1872–1876).
Context: Each individual man and each individual country, according to the principles of natural reason, is free from bondage. Consequently, if there is some threat that might infringe upon a country’s freedom, then that country should not hesitate even to take up arms against all the countries of the world.
Laplace, p. 364.
Biographies of Distinguished Scientific Men (1859)
Source: 1860s, Evidence as to Man's Place in Nature (1863), Ch.2, p. 128
Richard Courant in: The Parsimonious Universe, Stefan Hildebrandt & Anthony Tromba, Springer-Verlag, 1996, page 148