没有什么是确定的，也没有什么是不可能的。
Nothing is certain， and nothing is impossible.
Every man is guilty of all the good he did not do.
Look up at the stars and not down at your feet. Try to make sense of what you see, and wonder about what makes the universe exist. Be curious.
"The past is always tense, the future perfect."
Music is the universal language that connects us all.
科学应当为人类服务，而不是反过来。
I'm not a god, but I'm not a regular person either.