General relativity has passed every test we’ve thrown at it, even near a supermassive black hole.
广义相对论已经通过了我们所有的测试,甚至在超大质量黑洞附近也是如此。
True freedom is not about doing what you want, but about not doing what you don't want to do.
作为一个导演,最难的事情是弄清楚接下来该做什么。
The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
每个物种都有其独特的价值和生存意义。
The beauty of the olfactory system is that it is both simple and complex, allowing us to detect and discriminate an almost infinite number of odors.