A Night at the Asylum
Late one night at the insane asylum one inmate shouted, "I am Napoleon!"
Another one said, "How do you know?"

First inmate answers, "Winston Churchill told me!"

Just then, a voice from another room shouted, "I did NOT!"

A little change
The patient shook his doctor's hand in gratitude and said:"Since we are the best of friends, I would not want to insult you by offering payment. But I would like for you to know that I had mentioned you in my will.""That is very kind of you," said the doctor emotionally, and then added, "Can I see that prescription I just gave you? I'd like to make a little change..."