如果你说得出，那你就要做得到。
If you’re going to talk the talk, you’ve got to walk the walk.
The beauty of physics lies in its ability to explain the simplest phenomena with the most profound theories.
I don’t believe in regrets. Everything happens for a reason.
不公正相对容易忍受；真正刺痛人的是公正。
The future of democracy depends on its ability to adapt to new challenges and to renew itself.
The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.