我们付出的爱是我们唯一能保留的爱。

In mathematics, you don't understand things. You just get used to them.

"We are bulletproof, but love is not."

Insight is the sudden comprehension of the relations among the parts of a problem.

阅读的行为和写作的行为一样具有创造性。

译文：彻底领悟之后，便能在这茫茫虚空中，明辨是非。