科学进步的关键是坚持和开放的心态。
The key to progress in science is persistence and an open mind.
It is a far, far better thing that I do, than I have ever done; it is a far, far better rest that I go to than I have ever known.
我们能体验到的最美丽的东西是神秘的。
要理解现在,我们必须首先理解过去。