I don’t need a reason to be who I am.
我不需要理由去做我自己。
大多数人在紧急的事情上花了太多的时间，在重要的事情上花的时间却不够多。
The greatest thing you'll ever learn is just to love and be loved in return.
Rigor in proof is what separates mathematics from all other sciences.
The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.
The best way to get started is to quit talking and begin doing.
I would like to fly in space.Absolutely.That would be cool.I used to just do personally risky things， but now I’ve got kids and responsibilities， so I can’t be my own test pilot.That wouldn’t be a good idea.But I definitely want to fly as soon as it’s a sensible thing to do.
