本理则国固，本乱则国危。
解释：本治则国家巩固，本乱则国家危亡。
As to the gods, I have no means of knowing either that they exist or that they do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.
"I write to understand. I write to not forget."
每一本书都是一次旅行。