Late one night at the insane asylum (疯人院）one inmate shouted, "I am Napoleon!"

Another one said, "How do you know?"

The first inmate said, "God told me!"

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

Notes:

Looney (俚语）疯子

insane asylum (疯人院）

inmate （n.同住者, 同室者(特指在医院、监狱)）