Time, matter, space - all, it may be, are no more than a point.

Does not vanity itself cease to be blamable, is it not even ennobled, when it is directed to laudable objects, when it confines itself to prompting us to great and generous actions?

Wandering in a vast forest at night, I have only a faint light to guide me. A stranger appears and says to me: 'My friend, you should blow out your candle in order to find your way more clearly.' This stranger is a theologian.

The man who first pronounced the barbarous word God ought to have been immediately destroyed.

The bad gives rise to the good, the good inspires the better, the better produces the excellent, the excellent is followed by the bizarre

You risk just as much in being credulous as in being suspicious.

All things must be examined, debated, investigated without exception and without regard for anyone's feelings.