At the first session of a conversion class...
At the first session of a conversion class the minister conducting the class asked, "What must we do before we can expect forgiveness from sin?" After a long silence, one of the men in attendance raised his hand and said: "Sin?"

Bad temper problem
Patient: Doctor, you must help me. I'm under such a lot of stress, I keep losing my temper with people.

Doctor: Tell me about your problem.

Patient: I just did, didn't I, you stupid fool!!