The Next Stage in Composition -- McIlroy

Imagine how tough it would be if your father was SGML, and your mother was the anarchy of the Internet! What a difficult time you would have trying to find your real purpose in life.

Someone asked me the other day: "Does anyone really think about XML in the context of SGML anymore?" Well they should, because that's clearly where it came from. XML is a pared-down version of SGML.