The founders of a new colony, whatever Utopia of human virtue and happiness they might originally project, have invariably recognized it among their earliest practical necessities to allot a portion of the virgin soil as a cemetery, and another portion as the site of a prison.

怀疑是智慧的开始。

The process of solving a mathematical problem is often more important than the solution itself.

每拖延一年，问题就会变得更难解决。

译文：我本来是一介平民，在南阳务农亲耕，只想在乱世中苟且保全性命，不谋求在诸侯之中闻名显达。