美好的生活是一个过程，而不是一种存在状态。它是一个方向，而不是一个终点。
The good life is a process, not a state of being. It's a direction, not a destination.
积累千万财富，不如掌握一门小技艺。
The joy of mathematics comes from the struggle to understand.
没有所谓的"应用科学"这一特殊类别；只有科学及其应用，它们之间的关系就像果实与结出果实的树之间的关系一样。
Home is not where you are born; home is where all your attempts to escape cease.
"The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion."