1. The lyric "Outside the pavilion, by the ancient road, the grass is blue and the sky is blue" comes from the song "Farewell" written by Li Shutong, which depicts a scene of parting and expresses the reluctance to leave friends.

2. The famous saying, "The world is a echo valley, and there will be echoes if you don't forget it" emphasizes the power of ideas, and thinks that the inner desire and persistence will eventually be answered.

3. The famous saying "It's rare to get together in life, but it's only to be apart" reveals the impermanence of life and the helplessness of parting, reminding people to cherish the time of gathering.

4. The famous saying "Once you hear it, everything goes away" expresses Li Shutong's understanding of music, and thinks that music has the power to purify the soul.

5. "Self-stimulation with frost exercises will lead to higher quality; To accommodate people with the amount of the vault, Germany and Japan will be vast; Take friends with the friendship of learning, and you will learn more and more; The famous saying, "To benefit students with prudent behavior, the road will be far away" expounds Li Shutong's view on self-cultivation, and emphasizes the importance of self-discipline, tolerance, learning and responsibility.

6. The famous saying that "the more difficult things are, the thicker people are, and the more urgent things are" teaches people to have a broad mind when dealing with difficult problems, to be generous to others, and to be calm and calm when facing emergencies.

7. The famous saying, "The water on the mirror is clear, the sky is clear and the day is clear, and the wind is bright and the moon is bright" advocates facing the world with a clear mind and treating people with an open and aboveboard attitude.