我们每天可支配的时间是有弹性的；我们感受到的激情会扩展它，我们激发的激情会收缩它；而习惯会填补剩下的部分。
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.
The only limits you have are the limits you believe.
数学的美在于它允许我们抽象出现实世界的复杂性，专注于基本原则。
We are all exiles in some way, searching for a home that may not exist.
The world is a book, and those who do not travel read only one page.