I think if you do something and it turns out pretty good， then you should go do something else wonderful， not dwell on it for too long.Just figure out what’s next.

The best leaders are those who can balance vision with practicality.

I'm not a feminist. I hail men, I love men. I celebrate American male culture, and beer, and bars and muscle cars... But what I really believe in is women.

I have always believed that technology should do the hard work – discovery, organization, communication – so users can do what makes them happiest: living and loving, not messing with annoying computers! That means making our products work together seamlessly.

可持续性不是选择，而是我们对后代的责任。

Mathematics is not a spectator sport.