"A book is a dream that you hold in your hand."

Think wrongly, if you please, but in all cases, think for yourself.

We've learned that change is necessary for growth.

过去了的再也不能挽救，未来的还是可能补回。

对黑洞的研究彻底改变了我们对空间和时间的理解。

你可以拥有一切。只是不能同时拥有。

"In the end, we will remember not the words of our enemies, but the silence of our friends."