Every mathematical problem has a solution; it's just a matter of finding the right perspective.

And America, too, is a delusion, the grandest one of all.

安全不是优先事项，而是价值观。优先事项会变，价值观不会。

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.