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.

Man conquers the world by conquering himself.

Better to trip with the feet than with the tongue

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.

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

Wellbeing is attained by little and little, and nevertheless is no little thing itself.