Our occupation is to study and then study, and strive to accumulate more knowledge, because with knowledge, society will make great progress, and the future happiness of mankind lies in this. -Chekhov

Diligence is good at diligence, but not good at playing. What I did was thought, but it was destroyed. -Han Yu

The road is trodden by people, and the history is written by people. Every move of mankind is writing its own history. -Ji Hongchang

The value of a person should not be judged by what he has achieved, but by what he has contributed. -Einstein