The best books are the ones that children want to read again and again.

If you're walking down the right path and you're willing to keep walking, eventually you'll make progress.

Believe in yourself even when no one else does.

有人告诉我在我书中每个方程式将会降低一半的销售量。结果，我确实放了一个方程式——爱因斯坦著名的等式，E=mc2。我发现这并没有吓跑我一半的潜在读者。

译文：贤惠的妻子就怕家里没有好丈夫，未成婚的姑娘就怕嫁给行为不端的渣男。赏析：婚姻是女人一生的大事，要谨慎对待。幸福的婚姻，女人眼里有光；而痛苦的婚姻，女人只会恐慌。而那些涉世未深的年轻女孩，大多不会理性筛选伴侣，这也导致这些女孩婚后过得非常糟糕，不是被丈夫家暴，就是被公婆冷漠对待。所以，这句话是在惊醒世人：婚姻不是儿戏，要慎之又慎。

The key to success in AI is to have a strong foundation in mathematics and statistics.