Not in your wildest dreams would you come up with this stuff!
Yet God spoke
and it was!
(Jesus) is not merely the healer of afflicted individuals or the rescuer of endangered disciples; he is the one who is not bound by the rules of normal experience of what is possible and impossible. The Gospel of Mark (The new international Greek testament commentary) p263
On whom are you now depending? (v5)
The safest place for ships is in the harbour,
but that's not why ships were built.