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Old minds are like old horses; you must exercise them if you wish to keep them in working order.

The goal of mathematics is to understand the patterns of the universe.

He was a man who had always been too busy to live, and now he was too busy to die.

領(lǐng)導(dǎo)力在于讓他人因你的存在而變得更好，并確保這種影響在你離開后依然持續(xù)。

That's one small step for (a) man, one giant leap for mankind.

偉大來自于堅持和努力。

世界上充滿了神奇的事物，耐心地等待我們的智慧變得更加敏銳。