The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.

Mathematics is the language with which God has written the universe.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Every ending is a new beginning.

Escribir es una forma de protesta, y leer, una forma de resistencia.

Great leaders listen more than they speak.

可持续发展不仅仅是一个流行词，更是我们对后代的责任。

My music is my attitude.

你离死亡越近，你就越感到活着。这是一种美妙的生存方式。这是唯一的生存方式。