Steel your sensibilities, so that life shall hurt you as little as possible.

All things are parts of one single system, which is called nature; the individual life is good when it is in harmony with nature.

No matter whether you claim a slave by purchase or capture, the title is bad. They who claim to own their fellow-men, look down into the pit and forget the justice that should rule the world.

Fate is the endless chain of causation, whereby things are; the reason or formula by which the world goes on.

The reason why we have two ears and only one mouth is that we may listen the more and talk the less.

A bad feeling is a commotion of the mind repugnant to reason, and against nature.

Man conquers the world by conquering himself.