在以情动人前，你自己要先被打动。在你催人泪下前，你自己要热泪盈眶。在你以理服人前，你自己要坚信不疑。

To paint is to remember what the eyes have forgotten.

Writing is a way of discovering what you think, of exploring the world and your place in it.

A mathematician's work is never truly finished; there is always more to explore.

思想是我们感情的阴影总是更暗、更空虚、更简单。