Joke Collection Website - Mood Talk - What are the ancient poems that attach importance to practice?

What are the ancient poems that attach importance to practice?

On paper, you will feel shallow and never know.

Knowledge expansion:

Interpretation: The knowledge gained from books is very simple and imperfect. If you want to understand the truth and profound meaning, you must practice and do it yourself.

Source: Lu You's Reading on a Winter Night for Children. This is a poem by Lu You that teaches people to learn to practice.