Better to trip with the feet than with the tongue

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

Man conquers the world by conquering himself.

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 evil is honorable: but death is honorable; therefore death is not evil.

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

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