There is an old illusion. It is called good and evil.

Envy and jealousy are the private parts of the human soul. Perhaps the comparison can be extended.

Before the effect one believes in different causes than one does after the effect.

The belief in authority is the source of conscience; which is therefore not the voice of God in the heart of man, but the voice of some men in man.

He who cannot obey himself will be commanded. That is the nature of living creatures.

An educator never says what he himself thinks, but only that which he thinks it is good for those whom he is educating to hear.

One receives as reward for much ennui, despondency, boredom -such as a solitude without friends, books, duties, passions must bring with it -those quarter-hours of profoundest contemplation within oneself and nature. He who completely entrenches himself against boredom also entrenches himself against himself: he will never get to drink the strongest refreshing draught from his own innermost fountain.