逢人且说三分话，未可全抛一片心。有意栽花花不发，无心插柳柳成荫。画龙画虎难画骨，知人知面不知心。
【译文】与人说话只能说三分，不能把内心的想法全部吐露给别人。有意栽花花不一定开放，无意去插柳柳树却可能长得茂盛。龙和虎的形态好画，却难以画出它们的骨骼。了解人的表面很容易，但了解人的内心却十分困难。
如果你想理解一个系统，试着改变它。
和平不是没有战争，而是存在正义。
在量子力学中，测量的行为可以改变被测量系统的状态。
"The best investment you can make is in yourself."
我认为如果你做了某件事并且结果很好，你应该继续去做其他精彩的事情，不要停留太久。只要想清楚下一步该做什么。
There is only one boss. The customer. And he can fire everybody in the company from the chairman on down, simply by spending his money somewhere else.
It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.