You can always juice sales by going down-market， but it's hard to go back upmarket.
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。
Even a foolish person can still be right about most things. Most conventional wisdom is true.
To write is to try to know what we would write if we wrote.
"The world is a game, and the game is a shadow."
我们期望晚餐不是出自屠夫、啤酒商或面包师的仁慈，而是出自他们对自身利益的考虑。