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Experience is simply the name we give our mistakes.

"Every word we write is a step closer to understanding ourselves."

If you want to fly, you have to give up what weighs you down.

我常說，你永遠不可能太努力工作。

To be a Negro in America is to be in a constant state of rage.

When we are planning for posterity， we ought to remember that virtue is not hereditary.

數學的美在于它能夠以最優雅的方式描述宇宙。