2 policemen went on patrol and at 4 o'clock at night when they suddenly saw an older man walking alone in the street wobbling and barely walking a straight line. They stopped him for questioning, make sure he's not drunk in public or getting into a car to drive home. "Where does sir come from please?" They asked him. "I come from the best place in the world!" He answered in a very slushed voice. "This is my favorite bar that has the best drinks and the nicest girls! Each one is friendlier than the next!" The man continued and winked at the cops. "It sounds like a great place." Said one of the officers. "And where are you going at a time like this? Shouldn't you be in bed?" "What? sleep!? No way, I'm on my way to a lecture on alcohol addiction and its effects on the body, the harms of smoking and proper social behavior." "Reaaaally?" an officer said dubiously, exchanging knowing looks with his partner. "Are you sure you didn't drink too much tonight? I seriously doubt anyone is giving lectures on these topics at a time like this." The man sighed and said, "Tell that to my wife...

One day when I was a junior medical student, a very important Boston surgeon visited the school and delivered a great treatise on a large number of patients who had undergone successful operations for vascular reconstruction. At the end of the lecture, a young student at the back of the room timidly asked, "Do you have any control subjects?" The surgeon drew himself up to his full height, slammed the desk with his fist, and said, "Do you mean did I NOT operate on half the patients?!" The hall grew very quiet then. The voice at the back of the room hesitantly replied, "Yes, that's what I had in mind." Then the surgeon's fist really came crashing down as he thundered, "Of course not!! That would have doomed half of them to their death!!" God it was quiet then.... And one could scarcely hear the small voice ask: "Which half?"