——〈在广州岭南学生欢迎会上的演说〉，1923年12月21日
数学中的合作是必不可少的；没有人能独自解决所有问题。
教育是维持负责任的林业实践所有进步的根系。
历史的终结将是一个非常悲伤的时刻。为纯粹抽象目标而奋斗、愿意冒生命危险的斗争，以及激发勇气、想象力、理想主义的全球意识形态斗争，将被经济计算、无休止的技术问题解决、环境关注和复杂消费需求的满足所取代。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
最终，我们都只是故事。
Innovation in the cloud era is not just about technology, it's about business model and ecosystem.
逻辑学研究不仅仅是关于正确推理，更是关于思维的自由。
"The world is a brutal place. My books reflect that."