The P versus NP problem is one of the most important unsolved problems in computer science.
如果你不能做伟大的事情,那就以伟大的方式做小事。
质量从来不是偶然的,它始终是智慧努力的结果。
If you're not moving forward, you're falling behind.
坚持志向就像心痛一样,心思全在痛处,哪有时间说闲话、管闲事。
Simplicity is the ultimate sophistication.