Science fiction is the most important literature in the history of the world, because it's the history of ideas, the history of our civilization birthing itself.
国家是人类社会中最重要的机构,因为它是唯一可以合法使用武力来维持秩序的机构。
The difference between successful people and really successful people is that really successful people say no to almost everything.
理论必须是美丽的。
The challenge of modern physics is not just to understand the universe, but to understand our place within it.