学习应使人感到快乐，否则不能称之为真正的学习。

"In the end, we will remember not the words of our enemies, but the silence of our friends."

Seize the day,boys.Make your lives extraordinary.

技术必须回归本质，解决真实问题。

创新是将变化视为机会的能力，而不是威胁。

"We live in the time we have and we see with the eyes we have."

I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.