世上没有所谓的快乐结局，只有合适的停顿之处。
There is no such thing as a happy ending. There are just good stopping places.
我不害怕说我想成为有史以来最伟大的球员。
1983年12月，杨振宁向邓小平建议
You have to be willing to get happy about nothing.
The first step in the art of cutting metals is to find a man who has the necessary skill and experience.
Every scientific discovery should be measured by its contribution to human welfare.