Sorry if I'm the last person to discover this and I'm bugging all of you by geeking out over this.
It's even been used for tv commercials:
_________________"Do I contradict myself? Very well then, I contradict myself. I am large, I contain multitudes."
-Walt Whitman, "Song of Myself"

My DeviantArt page:
http://acetylenelamp.deviantart.com