When you work on hard problems long enough, you start to see connections where others see only confusion.

The complexity of things—the things within things—just seems to be endless. I mean nothing is easy, nothing is simple.

Time does not heal all wounds; some remain, becoming part of us.

当市场下跌时，你轻易的将好东西打折变卖，但是一旦市场向上，再想买回来，难之又难。