The most important property of a program is whether it accomplishes the intention of its user.

Without models, we would be wandering in the dark when it comes to predicting climate change.

我们需要确保互联网保持开放，让所有人都能访问。

世界变化非常快。大不再能打败小。而是快打败慢。

The only limit is the one you set for yourself.