"Do you remember the story about the little boy who killed his grandmother’s pet duck? He accidentally hit the duck with a rock from his slingshot. The boy didn’t think anybody saw the foul deed, so he buried the duck in the backyard and didn’t tell a soul.
Later, the boy found out that his sister had seen it all. Not only that, she now had the leverage of his secret and used it. Whenever it was the sister’s turn to wash the dishes, take out the garbage or wash the car, she would whisper in his ear, “Remember the duck.” And then the little boy would do what his sister should have done.
There is always a limit to that sort of thing. Finally, he couldn’t take it anymore–he’d had it! The boy went to his grandmother and, with great fear, confessed what he had done. To his surprise, she hugged him and thanked him. She said, “I was standing at the kitchen sink and saw the whole thing. I forgave you then. I was just wondering when you were going to get tired of your sister’s blackmail and come to me.”
If he already saw and forgave you, don’t let anybody say to you, “Remember the duck.”"Hat Tip: Remember The Duck – Blog of Tullian Tchividjian: