If Socrates died like a philosopher, Jesus Christ died like a God.

There is no subjection so perfect as that which keeps the appearance of freedom.

Civilization is a hopeless race to discover remedies for the evils it produces.

Force does not constitute right... obedience is due only to legitimate powers.

All that time is lost which might be better employed.

Watch a cat when it enters a room for the first time. It searches and smells about, it is not quiet for a moment, it trusts nothing until it has examined and made acquaintance with everything.

Chemistry... is like the maid occupied with daily civilisation; she is busy with fertilisers, medicines, glass, insecticides ... for she dispenses the recipes.