To look at a thing is very different from seeing a thing. One does not see anything until one sees its beauty. Then and then only, does it come into existence.

And let's be clear: It's not enough just to limit ads for foods that aren't healthy. It's also going to be critical to increase marketing for foods that are healthy.

Leadership is not about commanding, but about inspiring others to see the vision.

相关系数的可能误差不是可以从第一原理推导出来的东西，而是必须通过经验找到的。

A first sign of the beginning of understanding is the wish to die.