译文：长久治理百姓的人，以道德为屏障。
I believe in the passion of creation and the power of dreams.
弦理论的美妙之处在于它提供了一个框架，使引力和量子力学可以和平共处。
在物理学的领域里，我们不仅是观察者，也是我们试图理解的现实的创造者。
The real difficulty lies not in devising new ideas, but in escaping from the old ones.
To do mathematics is to explore an infinite landscape of ideas.
The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an agnostic.
No one is an artist unless he carries his picture in his head before painting it.
