You can tell more about a person by what he says about others than you can by what others say about him.　　

The only way to learn mathematics is to do mathematics.

I'm trying to imitate Jesus in the fact that he said to be like children, to love children, to be as pure as children and to make yourself as innocent and to see the world through eyes of wonderment.

"Love is not about possession, it's about appreciation."

对人类同胞最大的罪恶不是憎恨，而是冷漠：那是不人道的本质。