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The truth is rarely pure and never simple.

You can't go back and change the beginning, but you can start where you are and change the ending.

The metropolis exacts from man as a discriminating creature a different amount of consciousness than does rural life.

The study of computation is not just about machines, but about the very nature of thought and logic.

成功不在于目的地，而在于旅程。

靠做好人是到不了頂峰的。