Sustainability isn't an option; it's our responsibility to the next generation.

自知之明的人，不埋怨人；了解命运的人，不埋怨天；埋怨别人的人，遭遇穷困；埋怨上天的人，没有志向。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

You have to have a dream so you can get up in the morning.

Computer science is no more about computers than astronomy is about telescopes.