自然系统的当前状态显然是前一时刻的结果，如果我们设想一个智能体在某一瞬间理解了这个宇宙中所有实体的关系，它就能陈述这些实体在过去或未来的任何时间的各自位置、运动和一般效应。
The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
城市是人类最伟大的发明。
不必担忧财富不多，只须担忧财富不平均，不必担忧人口稀少，只须担忧境内不安宁。……既来了，要使他们安家乐业。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
Marriage is encouraged in China, not by the profitableness of children, but by the liberty of destroying them.
集合是一个允许自己被看作一的多个。
不要为未来担忧，不要为过去哭泣。
It is the absence of facts that frightens people: the gap you open, into which they pour their fears, fantasies, desires.
信息通信技术的未来在于融合、云化和智能化。
自守表示的研究是数学抽象深度的反映。