Never contract friendship with a man that is not better than thyself.

The virtuous will be sure to speak uprightly; but those whose speech is upright may not be virtuous.

The master said, 'Quietly to store up knowledge in my mind, to learn without flagging, to teach without growing weary, these present me with no difficulties.'

Know what you know and know that you don't know what you don't know — that is the characteristic of one who knows.

I have never seen a man as fond of virtue as of women.

If either wealth or poverty are come by honesty, there is no shame.

Isn't it a pleasure to study and practice what you have learned? Isn't it also great when friends visit from distant places? If one remains not annoyed when he is not understood by people around him, isn't he a sage?