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Life is pleasant. Death is peaceful. It's the transition that's troublesome.

A man is rich in proportion to the number of things which he can afford to let alone. That man is the richest whose pleasures are the cheapest.

Technological innovation is the fundamental way to solve the problems of the coal industry.

We choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard, because that goal will serve to organize and measure the best of our energies and skills, because that challenge is one that we are willing to accept, one we are unwilling to postpone, and one which we intend to win, and the others, too.

傷口是光進(jìn)入你的地方。

在個體中，瘋狂是罕見的；但在團(tuán)體、黨派、國家和時代中，它卻是常規(guī)。