The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

未来的竞争是生态系统的竞争，不是单个企业的竞争。

"Every saint has a past, and every sinner has a future."

矿工的安全永远不应该用成本效益分析来衡量。

编程的艺术就是组织复杂性的艺术。