The essence of computational complexity is to understand the limits of what can be computed efficiently.

永远原谅你的敌人，没有什么比这更让他们恼火的了。

说出真相的唯一方式是无畏地言说。

Food security is a global issue that requires local action.

If you're competitor-focused， you have to wait until there is a competitor doing something. Being customer-focused allows you to be more pioneering.

解析：看到正义的事，却不能勇敢去做，这是懦夫的表现。