Very learned women are to be found, in the same manner as female warriors; but they are seldom or ever inventors.

It must be confessed that the inventors of the mechanical arts have been much more useful to men than the inventors of syllogisms.

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.

Doubt is not a pleasant condition, but certainty is absurd.

The best way to be boring is to include everything.

When he who hears does not know what he who speaks means, and when he who speaks does not know what he himself means, that is philosophy.

Fear follows crime and is its punishment.