The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.

"I always try to find a way to win, even when I'm not playing my best."

Train employees well enough they could get another job， but treat them well enough so they never want to.

除非我觉得自己能成为最好的，否则我不会做任何事。

在大数据时代，数据结构和算法的数学原理变得比以往任何时候都更加关键。