Every mathematical problem has a solution; sometimes it just takes time to find it.

The work of art is a map of the soul.

Everything is a learning process: any time you fall down, you get up and you learn from it.

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

预测未来的最好方法就是去创造未来。

The desire to get rich is a natural human instinct, and it's not something to be ashamed of.