He told them, "Leave me alone! I must think about a strange event that has been reported to me. I have been told that there is a ship at sea, heavily laden with various kinds of merchandise; and although there is no one on board to steer and guard her, it comes and goes by herself, ploughing through enormous waves and going where she pleases."
They told him, "No intelligent man would say such a thing."
He replied, "Wretches! And yet you say that all these existant beings, in the higher and lower worlds, and every intricately precise thing they contain, have no maker?"
At this they were dumbfounded, and, returning to the truth, they entered Islam at his hands.
Key to the Garden p.24