Only one who bursts with enthusiasm do I instruct; Only one who bubbles with excitement do I enlighten. If I hold up one corner and you do not come back to me with the other three, I do not continue the lesson.

Silence is a true friend who never betrays.

Be loyal and trustworthy. Do not befriend anyone who is lower than yourself in this regard.

If a man be under the influence of anger his conduct will not be correct.

Study the past, if you would divine the future.

To be wronged is nothing unless you continue to remember it.

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.