计算复杂性的研究告诉我们,有些问题本质上是困难的,无论我们的算法多么聪明。
"The study of computational complexity teaches us that some problems are inherently difficult, no matter how clever our algorithms are."
The poor are not lazy; they are just caught in a system that makes it very hard for them to escape poverty.
The heart will break, but broken live on.