Perseverance, the stone can be carved.

Eyes can't see twice, ears can't hear twice, and hands can't do two things.

Don't listen to things outside the window, just read sage books.

Confucius learned the piano, but he didn't know the taste of meat in March.

Let the wind blow to the southeast and northwest, and persist in relaxing.

Diligence is good for thrift, play is wasted, and thinking is ruined.