Free education is abundant, all over the Internet. It's the desire to learn that's scarce.
The best way to predict the future is to create it.
女性工作的故事是一面反映社会价值观和优先事项的镜子。
Every chemical process we develop must pass three tests: Is it safe? Is it sustainable? Is it scalable?
The only limit to our realization of tomorrow is our doubts of today.
你拥有的最强大的领导力工具就是你自己的榜样。
Our heroes are human heroes. That's a very new situation. Most other societies have had, right at their center, the worship of something transcendent: a god, a spirit, a natural force, the universe, whatever it is -- something else that is being worshiped. We've slightly lost the habit of doing that, which is, I think, why we're particularly drawn to nature.