The P versus NP problem is one of the most important problems in computer science.
P与NP问题是计算机科学中最重要的一个问题之一。
You may not be able to alter reality, but you can alter your attitude towards it, and this, paradoxically, alters reality.
Success is not about perfection, but about continuous improvement and adaptation to change.
养猪是个技术活，不是谁都能养好的。
For me, love is the foremost task. My sole purpose is to love this world.