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Pierre-Simon Laplace
18 quotes
“On voit, par cet Essai, que la théorie des probabilités n'est, au fond, que le bon sens réduit au calcul; elle fait apprécier avec exactitude ce que les esprits justes sentent par une sorte d'instinct, sans qu'ils puissent souvent s'en rendre compte.”
Pierre-Simon Laplace (1749–1827) first seen 1814 wikiquote, CC BY-SA 4.0 source
Recorded in: From the Introduction to Théorie Analytique des Probabilités, second and later editions; also published separately as Essai philosophique sur les Probabilités (1814). Œuvres complètes de Laplace, tome VII, p. cliii, Par…
“Les questions les plus importantes de la vie ne sont en effet, pour la plupart, que des problèmes de probabilité." Théorie analytique des probabilités, 1812.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“La dernière chose que nous attendions de vous, Général, est une leçon de géométrie !”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“Ce que nous connaissons est peu de chose, ce que nous ignorons est immense.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
Recorded in: Allegedly his last words, reported in Joseph Fourier's "Éloge historique de M. le Marquis de Laplace" (1829) with the comment, "This was at least the meaning of his last words, which were articulated with difficulty." Q…
“L'homme ne poursuit que des chimères.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
Recorded in: His true last words, according to Augustus De Morgan's Budget of Paradoxes (1866).
“Lisez Euler, lisez Euler, c'est notre maître à tous.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
Recorded in: Reported by Gugliemo Libri in the Journal des Savants, January 1846, p. 51: « ...ces paroles mémorables que nous avons entendues de sa propre bouche : "Lisez Euler, lisez Euler, c'est notre maître à tous". »
“Nature laughs at the difficulties of integration.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
Recorded in: Quoted in I. Gordon and S. Sorkin, The Armchair Science Reader, New York, 1959.
“Il est facile de voir que...”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value; a profound and important idea which appears so simple to us now that we ignore its true merit.But its very simplicity and the great ease which it has lent to computations put our arithmetic in the first rank of useful inventions; and we shall appreciate the grandeur of the achievement the more when we remember that it escaped the genius of Archimedes and Apollonius, two of the greatest men produced by antiquity.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
Recorded in: Quoted in H Eves Return to Mathematical Circles (Boston 1988).
“On demandait à Laplace quel était selon lui le plus grand mathématicien de l'Allemagne. C'est Pfaff, répondit-il. - Je croyais, reprit l'interlocuteur, que Gauss lui était supérieur. - Mais, s'écria Laplace, vous me demandez quel est le plus grand mathématicien de l'Allemagne, et Gauss est le plus grand mathématicien de l'Europe.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“The most important questions of life... are indeed for the most part only problems of probability. Strictly speaking it may even be said that nearly all our knowledge is problematical; and in the small number of things which we are able to know with certainty, even in the mathematical sciences themselves, the principal means for ascertaining truth—induction and analogy—are based on probabilities.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“Imaginary causes have gradually receded with the widening bounds of knowledge and disappear entirely before sound philosophy, which sees in them only the expression of our ignorance of the true causes.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“All these efforts in the search for truth tend to lead it [the human mind] back continually to the vast intelligence... but from which it will always remain infinitely removed. This tendency peculiar to the human race is that which renders it superior... and their progress in this respect distinguishes nations and ages and constitutes their true glory.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“Let us recall that formerly, and at no remote epoch... all the unusual phenomena were regarded as so many signs of celestial wrath.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“The theory of chance consists in reducing all the events of the same kind to a certain number of cases equally possible, that is to say, to such as we may be equally undecided about in regard to their existence, and in determining the number of cases favorable to the event whose probability is sought.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“Said the great and magnanimous Laplace: 'It is India that gave us the ingenious method of expressing all numbers by ten symbols, each receiving a value of position as well as an absolute value; a profound and important idea which appears so simple to us now that we ignore its true merit. But its very simplicity, the great ease which it has lent to all computations, puts our arithmetic in the first rank of useful inventions; and we shall appreciate the grandeur of this achievement the more when we remember that it escaped the genius of Archimedes and Apollonius, two of the greatest men produced by antiquity.'”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“Given for one instant an intelligence which could comprehend all the forces by which nature is animated and the respective situation of the beings who compose it—an intelligence sufficiently vast to submit these data to analysis—it would embrace in the same formula the movements of the greatest bodies of the universe and those of the lightest atom; for it, nothing would be uncertain and the future, as the past, would be present to its eyes. The human mind offers, in the perfection which it has been able to give to astronomy, a feeble idea of this intelligence. Its discoveries in mechanics and geometry, added to that of universal gravity, have enabled it to comprehend in the same analytical expressions the past and future states of the system of the world.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source
“It is to the influence of the opinion of those whom the multitude [the populous] judges best informed, and to whom it has been accustomed to give its confidence in regard to the most important matters of life, that the propagation of those errors is due, which in times of ignorance, have covered the face of the earth. Magic and astrology offer us two great examples. These errors... having for a basis only universal credence, have maintained themselves during a very long time; but at last the progress of science has destroyed them in the minds of enlightened men, whose opinion consequently has caused them to disappear... through the power of imitation and habit which had so generally spread them... This power, the richest resource of the moral world, establishes and conserves in a whole nation ideas entirely contrary to those... elsewhere... What indulgence ought we not then to have for opinions different from ours, when this difference often depends only upon the various points of view where circumstances have placed us! Let us enlighten those whom we judge insufficiently instructed; but first let us examine critically our own opinions, and weigh with impartiality, their respective probabilities.”
Pierre-Simon Laplace (1749–1827) said by 1827 at the latest wikiquote, CC BY-SA 4.0 source