translation.en: As Stephen Hawking famously said, we're just a chemical scum on the surface of a typical planet that's in orbit around a typical star, which is on the outskirts of a typical galaxy, and so on.
translation.zh: 大家都知道Stephen Hawking说过 我们只是存在于一个典型星球表面的一些化学污垢 这个典型星球环绕着一个典型恒星绕行太空， 而这个典型恒星位于一个典型银河系的边缘，以此类推。