每个艺术家都是他时代的孩子，但伟大的艺术家也是未来的父母。
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.
希望是唯一比恐惧更强大的东西。
The most profound ideas in mathematics often come from asking the simplest questions.