I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up.

免费游戏最贵的成本是玩家的信任，一旦透支就再也买不回来。

不要等待机会，要创造机会。

教育是最有力的武器，可以改变世界。

很容易忘记世界上有多少人，多到要爆炸，每个人都可想象却又总是被误解。