Not he is great who can alter matter, but he who can alter my state of mind.

The person lives most beautifully who does not reflect upon existence

Whoever possesses abundant joy must be a good man: but he is probably not the cleverest man, although he achieves exactly what it is that the cleverest man strives with all his cleverness to achieve.

Among human beings there is no greater banality than death. Second in order, because it is possible to die without being born, comes birth, and next comes marriage.

You shall not steal! You shall not kill! Such words were once called holy; before them people bowrd their knees and heads, and removed their shoes. But I ask you: where have there ever been better thieves and killers in the world than such holy words have been? Is there not in all of life itself - robbing and killing? And when such words were called holy, was not truth itself thereby - killed?

The doctrine of equality! There exists no more poisonous poison: for it seems to be preached by justice itself, while it is the end of justice.

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.