The world is dark, and light is precious.

我所达到的丰富性来自自然，那是我灵感的源泉。

我从不回头看，我向前看。

The best way to scale a program is to scale it.

Sustainability isn't a choice—it's our responsibility to future generations.

所有事情在被证明为不可能之前都是可能的，甚至不可能的事情也可能只是目前如此。