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.

表演不是要成为不同的人。它是在明显不同的事物中找到相似之处，然后在那里找到自己。

Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

史记