非确定性计算的概念是计算机科学中最重要的思想之一。

The problem is, if you really believe in a society where those who merit to get to the top, get to the top, you'll also, by implication, and in a far more nasty way, believe in a society where those who deserve to get to the bottom also get to the bottom and stay there. I nother words, your position in life comes to seem not accidental, but merited and deserved. And that makes failure seem much more crushing.

The best weapon against an enemy is another enemy.

出自汉·桓宽《盐铁论·复古》。岩雀并不知道天的高远，废井中的青蛙也不会知道江海的博大。这句话是形容心胸狭窄之人见识短浅。