There is no calamity greater than discontent; no fault greater than the wish to be always getting more.

• 

  He who knows he has enough is rich.

• 

  He who overcomes others is strong; he who overcomes himself is mighty.

• 

  The sage does not display himself, and therefore he shines; he does not exalt himself, and therefore he is distinguished.

• 

  There is nothing in the world more soft and weak than water, and yet for attacking things that are firm and strong there is nothing that can surpass it.

• 

  Those who know do not speak; those who speak do not know.

• 

  He who knows others is wise; he who knows himself is enlightened.

All quotes