我不是因为快乐而唱歌,我因为唱歌而快乐。
I don't sing because I'm happy; I'm happy because I sing.
"Writing is a way of thinking, a way of exploring the world and oneself."
我们对黑洞了解得越多,就越意识到我们还有多少未知。
Some books are to be tasted, others to be swallowed, and some few to be chewed and digested.
History is, above all else, the creation and recording of that heritage; progress is its increasing abundance, preservation, transmission, and use.