"I always believe if you’re stuck in a hole and maybe things aren’t going well you will come out stronger."

No arts； no letters； no society； and which is worst of all， continual fear and danger of violent death； and the life of man， solitary， poor， nasty， brutish， and short.

每一个重大而深刻的困难本身都包含着它的解决方案。它迫使我们改变思维以找到答案。