Every piece of plastic we produce should have a plan for its entire lifecycle.

最好的故事是那些让你感觉与更伟大的事物相连的故事。

一个瞬间被吸走，被扭曲，不再是自己，失去了它的身体，放弃了它的灵魂。

In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

At that age， I'd take any excuse to make estimates and do minor arithmetic. I'd calculate our gas mileage -- figure out useless statistics on things like grocery spending. I'd been hearing an ad campaign about smoking. I can't remember the details， but basically the ad said， every puff of a cigarette takes some number of minutes off of your life: I think it might have been two minutes per puff. At any rate， I decided to do the math for my grandmother. I estimated the number of cigarettes per days， estimated the number of puffs per cigarette and so on. When I was satisfied that I'd come up with a reasonable number， I poked my head into the front of the car， tapped my grandmother on the shoulder， and proudly proclaimed， "At two minutes per puff， you've taken nine years off your life！"

数学的语言是宇宙的语言，通过学习它，我们可以理解宇宙。