[VadeRetro]

Pretty amazing the stuff you have to explain to them over and over and over and over and over ...

[PatrickHenry]

Totally unrelated, but I came across it and thought it was worth posting. Probably it's been around a long time, but it was new to me:

Heisenberg was driving down the Autobahn whereupon he was pulled over by a policeman. The policeman asked, "Do you know how fast you were going back there? Heisenberg replied, "No, but I know where I am."