#1206: Einstein

XKCD comic, described below.
Transcript

[[Two people sit in a restaurant.]] Experimenter: I'm currently conducting an experiment which may prove Einstein wrong! Friend: Ooh, exciting! 1947: [[Einstein is walking with someone.]] Einstein: It's IMPOSSIBLE to find a good sandwich in this town.

Einstein was WRONG when he said that provisional patent #39561 represented a novel gravel-sorting technique and should be approved by the Patent Office.

ExplainOriginal