He who knows the times is a hero.

Learning without thinking is useless, thinking without learning is dangerous.

Don't do unto others what you don't want done unto you.

Words must be done, and actions must be fruitful.

Keep your word.

An upright man is open and poised while a petty man is anxious and worried.

Studying alone without friends is ignorance.

It's good to learn from time to time.

A threesome requires a teacher.

It passed like this, day and night!

He is quick-thinking and eager for knowledge, and he is never shy to ask his subordinates for advice.

Knowing his death on the day and not forgetting his monthly abilities can be described as eager to learn.

The three armed forces can win the handsome, but ordinary people can't win the ambition.