塑料的真正成本不在于生产，而在于它的后续处理。

在原子世界中，数学语言是唯一可以使用的语言。

So why do I talk about the benefits of failure? Simply because failure meant a stripping away of the inessential. I stopped pretending to myself that I was anything other than what I was, and began to direct all my energy into finishing the only work that mattered to me.

We must be brave to face challenges and dare to break through ourselves.

解释：处在有利的地位上想到道义，处在困难之中想到保持纯正。