每个程序都有（至少）两个目的：一个目的是为它编写的，另一个不是目的。

Traceability isn't just for consumers—it's our moral obligation.

我更喜欢与球队一起赢得冠军，而不是个人奖项或比其他人进更多的球。

When public speaking， pause frequently. Pause before you say something in a new way， pause after you have said something you believe is important， and pause as a relief to let listeners absorb details.

People are curious. A few people are. They will be driven to find things out, even trivial things. They will put things together, knowing all along that they may be mistaken. You see them going around with notebooks, scraping the dirt off gravestones, reading microfilm, just in the hope of seeing this trickle in time, making a connection, rescuing one thing from the rubbish.

如果你想改变世界，先从改变思维方式开始。