银河系中心是强引力下的一个独特的自然实验。
文学，就像所有艺术一样，是对生活不足的告白。
The most important victories are those that come after the hardest defeats.
科学中真正的理解来自于连接看似不相关的点。
You see, in life, lots of people know what to do, but few people actually do what they know. Knowing is not enough! You must take action.