The one I remember is going into London, as it was for us in Essex, on New Year's Eve in 1981. There were four of us and we'd had a few lagers on the way. One of my mates threw up in the Tube and then stood up and fell over in it. We thought it was the funniest thing we'd ever seen.
That though we are certain of many things, yet that Certainty is no absolute Infallibility, there still remains the possibility of our being mistaken in all matters of humane Belief and Inquiry.