愛とは、相手を理解しようとすることだ。

The only time a dog gets complimented is when he doesn't do anything!

不要害怕承担经过计算的风险；真正的成长就在那里。

在数学中，提出问题的艺术必须比解决问题更有价值。

Integrity is the foundation of all successful relationships, both personal and professional.

The worst sin toward our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.