建立习惯的目的，是不用自我谈判，不在决定做一件事上花费精力，你直接就做了。好的习惯包括讲真话、用牙线。

The study of topological phases of matter is a testament to the power of theoretical physics to predict and explain new states of matter.

The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.

我们都在阴沟里，但仍有人仰望星空。