数学是给不同事物以相同名称的艺术。

你越是隐藏感受，它们就越明显。

The aim of every artist is to arrest motion, which is life, by artificial means and hold it fixed so that a hundred years later, when a stranger looks at it, it moves again since it is life.

作家必须有勇气说出别人不敢说的话。

光是关键。没有光，就没有图像。