A sure way to irritate people and to put evil thoughts into their heads is to keep them waiting a long time. This makes them immoral.

Yet for all that, there is nothing in me of a founder of a religion--religions are affairs of the rabble; I find it necessary to wash my hands after I have come into contact with religious people.

Madness is not a consequence of uncertainty but of certainty.

Thus strength is afforded by good and thorough customs, thus is learnt the subjection of the individual, and strenuousness of character becomes a birth gift and afterwards is fostered as a habit.

If ye would go up high, then use your own legs! Do not get yourselves carried aloft; do not seat yourselves on other people's backs and heads!

Genteel women suppose that those things do not really exist about which it is impossible to talk in polite company.

Reason" in language - oh, what an old deceptive female she is! I am afraid we are not rid of God because we still have faith in grammar.