The source of true happiness in our own. As long as a person is good at the pursuit of happiness, others can not make him fall into a real tragic situation.
真正的幸福的源泉在我们自身。一个人只要自己善于追求幸福，别人是无法使他落到真正悲惨的境地的。
The writer must believe that what he is doing is the most important thing in the world. And he must hold to this illusion even when he knows it is not true.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.