可归约性的概念对于理解不同计算问题之间的关系至关重要。
The concept of reducibility is central to understanding the relationships between different computational problems.
"The world is a prison, and language is the key."
我不害怕风暴，因为我在学习如何驾驶我的船。
——〈在北京湖广会馆学界欢迎会的演说〉，1912年8月30日
When you confront a stuck bolt or screw: righty tighty， lefty loosey.
Winning is not everything, but wanting to win is.
I don’t run from the past, I run toward the future.
The beauty of mathematics lies in its ability to reveal the hidden structures of reality.