He who has not the spirit of this age, has all the misery of it.

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

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

God created woman to tame man.

It would be very singular that all nature, all the planets, should obey eternal laws, and that there should be a little animal five feet high, who, in contempt of these laws, could act as he pleased, solely according to his caprice.

The secret of being a bore... is to tell everything.

The history of human opinion is scarcely anything more than the history of human errors.