"Every man has his secret sorrows which the world knows not; and often times we call a man cold when he is only sad."

如果你想成功，你必须对你生活中经历的一切承担100%的责任。

The stream of thought is a stream of life-sustaining acts.

The writer must be a smuggler of truths, a clandestine agent of freedom.

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.