He who doesn't have the spirit of his time, has all its misery.

Animals have these advantages over man: they never hear the clock strike, they die without any idea of death, they have no theologians to instruct them, their last moments are not disturbed by unwelcome and unpleasant ceremonies, their funerals cost them nothing, and no one starts lawsuits over their wills.

To the wicked, everything serves as pretext.

The Jewish nation dares to display an irreconcilable hatred toward all nations, and revolts against all masters; always superstitious, always greedy for the well-being enjoyed by others, always barbarous - cringing in misfortune and insolent in prosperity.

The monster, fanaticism, still exists, and whoever seeks after truth will run the risk of being persecuted.

Among the illusions which have invested our civilization is an absolute belief that the solutions to our problems must be a more determined application of rationally organized expertise... The reality is that our problems are largely the product of that application.

There is an astonishing imagination, even in the science of mathematics. ... We repeat, there was far more imagination in the head of Archimedes than in that of Homer.