_ Setting sail is very old. In the time of the ancient Greeks they feared Poseidon more than any of the other gods. He was on the level of the Sister Fates. Somehow the sea, I think, is a particularly treacherous thing to deal with. You might make modern innovations, but the sea will always have its way in the end and surprise you. You should have respect for it, and you should be prepared. The danger will always be there.