互联网七字诀：专注、极致、口碑、快。

The most exciting moments in mathematics are when you discover something that was hidden in plain sight.

The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.

The best way to predict the future is to create it.

"Emotions exist for the sake of action."

心智是一套信息处理机器，它们由自然选择设计来解决我们狩猎采集祖先面临的适应性问题。