If one learns from others, but does not think, one will be bewildered. If, on the other hand, one thinks but does not learn from others, one will be in peril.

A gentleman considers justice to be essential in everything. He practices it according to the principles of propriety. He brings it forth in modesty and faithfully completes it. This is indeed a gentleman.

When a wise man points at the moon the imbecile examines the finger.

Waste begets self-will; thrift begets meanness: but better be mean than self-willed.

Virtue is more to man than either water or fire. I have seen men die from treading on water and fire, but I have never seen a man die from treading the course of virtue.

They who know the truth are not equal to those who love it, and they who love it are not equal to those who delight in it.

If I give a student one-fourth of what he should know, I expect him to get the other three-fourths himself, otherwise I do not want him as a student.