To learn without thinking is labour in vain, to think without learning is desolation.

The superior man is easy to serve, but difficult to please ... The inferior man is difficult to serve, but easy to please.

It is the obligation of the ruler to continually renew himself in order to renew the people by his example.

Be loyal to yourself, charitable to neighbours, nothing more.

To know your faults and be able to change is the greatest virtue.

If names are not correct, then language is not in accord with the truth of things. If language is not in accord with the truth of things, then affairs cannot be carried out successfully.

A hammer shatters glass but it also forges steel.