Jean-Paul Sartre is sitting at a cafe, revising his draft of Being and Nothingness. The waitress comes out and asks him if he would like to order. "Yes madame, I would like a cup of coffee, please, with no cream." The waitress hurries back inside, and just as quickly comes back out and says to Sartre "I'm so very sorry monsueir, but we seem to be out of cream. Would you like it with no milk instead?"
There are 10 types of people in the world: those that understand ternary, those that don't, and those scrambling for a dictionary.
A priest, a doctor, and an engineer are playing golf. They keep having to wait for the threesome in front of them. They ask what is taking so long, and one of the threesome explains that the reason they are so slow is that they are all firefighters who have been blinded in the line of duty. The priest apologizes and offers any spiritual help they need. The doctor apologizes and offers any medical help that may be needed. The engineer asks, why don't they play at night?