"Science is not only a disciple of reason but, also, one of romance and passion."

数学中最重要的是理解概念，而不仅仅是记忆公式。

What matters in life is not what happens to you but what you remember and how you remember it.

To do mathematics is to engage in an act of creation and discovery simultaneously.

An individual has not started living until he can rise above the narrow confines of his individualistic concerns to the broader concerns of all humanity.

拥有而不需要，总比需要而没有好。