Music, of all the liberal arts, has the greatest influence over the passions, and it is that to which the legislator ought to give the greatest encouragement.
Read over and over again the campaigns of Alexander, Hannibal, Caesar, Gustavus, Turenne, Eugene and Frederic. ... This is the only way to become a great general and master the secrets of the art of war.
The gospel is not a book; it is a living being, with an action, a power, which invades every thing that opposes its extension, behold! It is upon this table: This book, surpassing all others. I never omit to read it, and every day with some pleasure.
Muhammad was a prince; he rallied his compatriots around him. In a few years, the Muslims conquered half of the world. They plucked more souls from false gods, knocked down more idols, razed more pagan temples in fifteen years than the followers of Moses and Jesus did in fifteen centuries. Muhammad was a great man. He would indeed have been a god, if the revolution that he had performed had not been prepared by the circumstances.
A mathematician of the first rank, Laplace quickly revealed himself as only a mediocre administrator; from his first work we saw that we had been deceived. Laplace saw no question from its true point of view; he sought subtleties everywhere; had only doubtful ideas, and finally carried the spirit of the infinitely small into administration.