"Sometimes the most dangerous people are the ones who seem the most ordinary."

The only way to be happy is to love. To love intensely, so that the pain passes quickly.

统计学家不能逃避理解他所应用或推荐的过程的责任。

The art of doing mathematics consists in finding that special case which contains all the germs of generality.

写作是一种不被干扰的说话方式。