If you were to dive beneath these tidal waves, you would find that their influence weakens the deeper you go. At a certain depth, the water is hardly disturbed.
وإذا غطستم تحت امواج المدّ والجزر ،‏ تجدون ان قوتها تتضاءل كلما غصتم اكثر وتتوقف عند عمق معيّن .‏