谈论社区的利益而不了解个人的利益是徒劳的。

The quality of an organization's adaptability determines the quality of its survival.

All things are possible until they are proved impossible – and even the impossible may only be so, as of now.

对黑洞的研究彻底改变了我们对空间和时间的理解。

我现在确信理论物理学实际上是哲学。