Murray: What do you got?
Oscar Madison: I got, uh, brown sandwiches and, uh, green sandwiches. Which one do you want?
Murray: What's the green?
Oscar Madison: It's either very new cheese or very old meat.
Murray: I'll take the brown.
We can found no scientific discipline, nor a healthy profession on the technical mistakes of the Department of Defense and IBM. -- Edsger Dijkstra