"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."

Going out is not the goal, going in is the success.

信仰是生命的意义，这种感觉使人不毁灭自己，而是继续活下去。

极少有人能在首次推介中完成销售。仅仅因为你对一些事物有信念，并不意味着其他人也愿意接受。你需要能够一次又一次坚定地推销你的愿景。大多数人不喜欢改变，所以你需要说服他们为什么要接受改变。不要因为畏惧而不去争取自己想得到的东西。

The power of positive thinking is the ability to generate a feeling of certainty in yourself when nothing in the environment supports you.