Complexity is not just about the number of components in a system, but about the nature of their interactions.

You are too generous to trifle with me. If your feelings are still what they were last April, tell me so at once. My affections and wishes are unchanged, but one word from you will silence me on this subject for ever.

"语言是来自外太空的病毒。"

过去从未死去，甚至还未过去。