Here, after a long hiatus, is a joke. It's not my best remaining joke; just think of it as a warm-up joke. And it isn't the octopus joke (otherwise, what would you have to look forward to?).
Descartes walks into a bar, and the bartender says to him, "Hi, Rene! Would you like a drink?" Descartes says, "Hmm....I think not." Then he disappears.