Every piece of plastic we produce should have a clear path to being reused or recycled.

个人的就是历史的，历史的也是个人的。

唯一的绩效标准是“零缺陷”。

Innovation is not just about new ideas, but about making them work.

Creativity is just connecting things.

The most important thing in mathematics is to ask the right questions.

学习是通过修改符号结构来提高性能的过程。