Men must have somewhat altered the course of nature; for they were not born wolves, yet they have become wolves. God did not give them twenty-four-pounders or bayonets, yet they have made themselves bayonets and guns to destroy each other. In the same category I place not only bankruptcies, but the law which carries off the bankrupts’ effects, so as to defraud their creditors.
If you wish to obtain a great name or to found an establishment, be completely mad; but be sure that your madness corresponds with the turn and temper of your age.
Everything I see about me is sowing the seeds of a revolution that is inevitable, though I shall not have the pleasure of seeing it. The lightning is so close at hand that it will strike at the first chance, and then there will be a pretty uproar. The young are fortunate, for they will see fine things.
Woe to the makers of literal translations, who by rendering every word weaken the meaning! It is indeed by so doing that we can say the letter kills and the spirit gives life.
He who has heard the same thing told by 12,000 eye-witnesses has only 12,000 probabilities, which are equal to one strong probability, which is far from certain.
Descartes constructed as noble a road of science, from the point at which he found geometry to that to which he carried it, as Newton himself did after him. ... He carried this spirit of geometry and invention into optics, which under him became a completely new art.
The atheists are for the most part imprudent and misguided scholars who reason badly who, not being able to understand the Creation, the origin of evil, and other difficulties, have recourse to the hypothesis the eternity of things and of inevitability.