It is knowledge to know others;
It is wisdom to know the self.

To conquer others is power;
To conquer the self is strength.

It is wealth to be content;
It is willful to force one's way on others.

Endurance is to keep one's place;
Long life is to die but never perish.

Tao Te Ching, Chapter 33
Adapted from the translation by Richard Blakney