我们生产的每一块塑料都应该有明确的再利用或回收路径。

有一种鸟儿是永远也关不住的，因为它们的每片羽毛都闪烁着自由的光辉。

"I think the most important thing is to be honest and truthful in your work."

To build is to take a stand in the world.

You can't just give up on something because it's hard.

过去的危险是人们成为奴隶。未来的危险是人们可能成为机器人。

如果没听说过恋爱是什么的话，有些人根本不会坠入爱河。

Understanding the limits of computation is as important as understanding its possibilities.