The most difficult thing is to be simple.

"The human heart, at whatever age, opens only to the heart that opens in return."

In auctions, the winner's curse is not that you win, but that you pay too much for what you win.

互联网是一种工具，可以用于善或恶，取决于我们如何使用它。

抑制和引导本能冲动，使其可用于更高的文化活动，是文明的基本力量。