每个人都有值得讲述的故事，每个故事都有值得学习的教训。
"Every person has a story worth telling, and every story has a lesson worth learning."
In the part of this universe that we know there is great injustice， and often the good suffer， and often the wicked prosper， and one hardly knows which of those is the more annoying.
Mathematics is not just a human invention; it has a deep reality that exists independently of us.
发展需要消除不自由的主要根源：贫困和暴政，经济机会的匮乏以及系统的社会剥夺，公共设施的忽视以及压制性国家的过度活跃或不宽容。
写作是一种勇气的行为，一种面对世界和我们在其中位置的方式。