Active management is a negative-sum game before costs and a loser's game after costs.
2003年:贝索斯致股东信《寄希望于通过为客户提供最大的价值,从而创造更长远的利润》
风俗的专制无处不是人类进步的阻碍。
The core of drones is not how high they fly, but how well they are used.