每一本书都是一次旅程,每一次旅程都会改变你。
Time is not the medicine, the medicine is in time.
在我看来,人类获得对天体事物的洞察所走的道路,几乎与这些事物本身一样值得惊叹。
The past is always tense, the future perfect.
The only limit to our realization of tomorrow will be our doubts of today.