If you're not moving forward, you're falling behind.
如果你不前进,你就在落后。
As to the gods, I do not know whether they exist or not, or what they are like.
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
勇敢不是没有恐惧。勇敢是虽有恐惧,但能找到克服它的方法。
诗歌是无形在有形中的回声。
天文学的历史是一部视野不断扩展的历史。