我本人是个乐观主义者,因为做别的貌似没什么用。

"Approximation algorithms are a testament to the power of compromise in achieving practical solutions."

解释：做好事不为名声，而名声却跟来了；有名声不是希望获得利益，而利益也跟着来；有利益并不希望同别人争夺，而争夺也跟来了。

Never stop asking questions—that’s where the answers begin.

You cannot step into the same river twice.