A youth is to be regarded with respect. How do we know that his future will not be equal to our present? If he reach the age of forty or fifty, and has not made himself heard of, then indeed he will not be worth being regarded with respect.

Knowledge is recognizing what you know and what you don't.

I saw some piglets suckling their dead mother. After a short while they shuddered and went away. They had sensed that she could no longer see them and that she wasn't like them any more. What they loved in their mother wasn't her body, but whatever it was that made her body live.

A heart set on love will do no wrong.

At 15 I set my heart on learning; At 30 I firmly took my stand; At 40 I had no delusions; At 50 I knew the Mandate of Heaven; At 60 my ear was attuned; At 70 I followed my heart's desire without overstepping the boundaries of right.

The father who does not teach his son his duties is equally guilty with the son who neglects them.

The higher type of man clings to virtue, the lower type of man clings to material comfort. The higher type of man cherishes justice, the lower type of man cherishes the hope of favors to be received.