Gravity explains the motions of the planets, but it cannot explain who sets the planets in motion.
引力解释了行星的运动，但它不能解释谁让行星运动。
你不能让赞美或批评影响到你。陷入其中任何一种都是弱点。
The best victories are the ones that seem impossible.
反馈是鲁棒控制的关键。
One of the best rules anybody can learn about investing is to do nothing, absolutely nothing, unless there is something to do... I just wait until there is money lying in the corner, and all I have to do is go over there and pick it up.