I guess Lieutenant Dan figured there's some things you just can't change. He didn't want to be called crippled, just like I didn't want to be called stupid.
在减少排放的同时满足能源需求是我们这个时代的决定性挑战。
The universe is not only stranger than we imagine, it is stranger than we can imagine.
教育的首要目标是培养能够做新事情的人,而不仅仅是重复前几代人所做的事情。