He it is Who enables you to travel through land and sea, till when you are in the ships and they sail with them with a favourable wind, and they are glad therein, then comes a stormy wind and the waves come to them from all sides, and they think that they are encircled therein, they invoke Allah, making their Faith pure for Him Alone, saying: "If You (Allah) deliver us from this, we shall truly be of the grateful.