I raised my kids to be independent—just like me.
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。
我们时代的挑战是建立一个为所有人服务的经济,而不仅仅是少数特权阶层。
最好的发现往往来自意想不到的地方。
Quality is never an accident; it is always the result of intelligent effort.
"The world is full of obvious things which nobody by any chance ever observes."