宇宙的扭曲面——黑洞、虫洞、奇点和时间扭曲——才是真正的精彩所在。

世界是一个复杂的地方，我试图在我的写作中反映这一点。

The act of writing is an act of courage, to face the truths within and around us.

We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.

海洋不仅仅是一种资源；保护它是我们对后代的责任。