即使有盖世之功，最要不得的是居功自傲；纵然滔天的罪恶，最难得的是悔过之心。

To be an artist is to be forever curious, forever searching for new ways to see the world.

The essence of mathematics lies in its freedom.

你是自己生活的艺术家。不要把画笔交给别人。