只人情世故熟了，甚么大事做不到；只天理人心合了，甚么好事做不成？只一事不留心，便有一事不得其理；只一物不留心，便有一物不得其所。
只要对人情世故熟悉了，还有什么大事做不到？只要天理与人心吻合了，还有什么好事办不成？如果对某一件事情不留心，那么这件事情就得不到应有的料理；如果对某一物品不留心，那么这个物品就得不到合理的安排。
The challenge of computer science is not just to build faster machines, but to understand the very fabric of computational possibility.
To me programming is more than an important practical art. It is also a gigantic undertaking in the foundations of knowledge.
我认为我们有责任维持意识的光明，确保它继续进入未来。
The dead don’t rest if the living don’t let them.