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.

The value of a network is proportional to the square of the number of connected users of the system.

跳著舞的流水啊!当你途中的泥沙为你的歌声和流动哀求时，你可愿意担起他们跛足的重担?

I used to walk down the street like I was a star... I want people to walk around delusional about how great they can be - and then to fight so hard for it every day that the lie becomes the truth.

人的正确功能是生活，而不是生存。

Every reaction is a conversation between atoms.

The truth is like the sun. You can shut it out for a time, but it ain't goin' away.