Walter Isaacson said this quote
“ Hertzfeld recalled that Gates just sat there coolly, looking at Steve in the eye, before hurling back, in his squeaky voice, what became a classic zinger. Well, Steve, I think there's more than one way of looking at it, I think it's more like we both had this rich neighbor named Xerox and I broke into his house to steal the TV set and found out that you had already stolen it. ”