如果你认为一个人的本质是好的，就要随时为这个人提供帮助，即使其他人都离他而去。任何人都可能陷入困境。在别人需要的时候，一个偶然的善意行为就会改变他的生命轨迹，造就意想不到的友谊或忠诚。

你知道的越多，你就越意识到你不知道的越多。

The best mathematics is not just correct; it is illuminating.

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.

My job as a leader is to make sure everybody in the company has great opportunities, and that they feel they’re having a meaningful impact and are contributing to the good of society.

我不相信运气，我相信努力。