不要因为放弃而哭泣，要为了继续前进而哭泣。

Writing is a way of giving voice to the voiceless.

There is no such thing as society: there are individual men and women, and there are families.

The study of mathematics is like air or gravity – it’s everywhere, even if you don’t see it.

I don't follow the rules. I make the rules.

字符串是一个严格的数据结构，在传递字符串的任何地方都存在很多重复的过程。它是隐藏信息的理想工具。