The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

我们并非这个星球的所有者，只是当前的租客。

如果我们一起做梦，就不会分别那么久啦。如果我们在对方的梦中，我们就能一直待在一起了。

Truth, like gold, is to be obtained not by its growth, but by washing away from it all that is not gold.

量子引力问题不仅是物理学的问题，也是科学哲学的问题。

宇宙是一个充满惊喜的地方，我们才刚刚开始理解它的奥秘。