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?"

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..."