Good means not merely not to do wrong， but rather not to desire to do wrong.

计算复杂性的美在于它能够揭示问题的固有难度，而不管用于解决这些问题的具体算法是什么。

The universe is not queerer than we suppose, but queerer than we can suppose.

现实是，你知道，作为一个黑人，巴拉克去趟加油站都可能被开枪打死。