The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

只有当人能够察看自己的内心深处时，他的视野才会变得清晰起来。向外看的人是在梦中、向内看的人是清醒的人。

The key to success is to keep going even when things seem impossible.

天上永远不会掉下玫瑰来，如果想要更多的玫瑰，必须自己种植。