了解这个世界就是爱它,而爱它就是为它哀伤。
To know this world is to love it, and to love it is to grieve for it.
Science is not just about answering questions, but also about discovering new questions to ask.
当你怀疑自己是否能飞的那一刻,你就永远失去了飞翔的能力。