All wisdom is rooted in learning to call things by the right name. When things are properly identified, they fall into natural categories and understanding becomes orderly.

It is only the very wisest and the very stupidest who never change.

Do not impose on others what you yourself do not desire.

There are cases in which the blade springs, but the plant does not go on to flower. There are cases where it flowers, but no fruit is subsequently produced.

He who keeps danger in mind, is he who will rest safe in his seat; he who keeps ruin in mind, is he who will preserve his interests secure.

It was by music that the ancient kings gave elegant expression to their joy. By their armies and axes they gave the same to their anger.

People with virtue must speak out; People who speak are not all virtuous.