Adrift in a Boat

Two friends were adrift in an open boat, and it looked bad for them. Finally, one of them, feeling hopeless, began to pray.
“Oh Lord,” he prayed, “I’ve broken most of thy commandments. I’ve been a hard drinker; I cheated on my wife; I gambled, but if my life is spared …”
“Wait a minute, Jack,” interrupted his friend. “Before you promise anything, I think I see a sail.”