Most surely in the creation of the heavens and the earth and the alternation of the night and the day, and the ships that run in the sea with that which profits men, and the water that Allah sends down from the cloud, then gives life with it to the earth after its death and spreads in it all (kinds of) animals, and the changing of the winds and the clouds made subservient between the heaven and the earth, there are signs for a people who understand.

He it is Who makes you travel by land and sea; until when you are in the ships, and they sail on with them in a pleasant breeze, and they rejoice, a violent wind overtakes them and the billows surge in on them from all sides, and they become certain that they are encompassed about, they pray to Allah, being sincere to Him in obedience: If Thou dost deliver us from this, we will most certainly be of the grateful ones.

As for the boat, it belonged to (some) poor men who worked on the river and I wished that I should damage it, and there was behind them a king who seized every boat by force.

Then We revealed to Musa: Strike the sea with your staff. So it had cloven asunder, and each part was like a huge mound.

Do you not see that the ships run on in the sea by Allah's favor that He may show you of His signs? Most surely there are signs in this for every patient endurer, grateful one.

And the two seas are not alike: the one sweet, that subdues thirst by its excessive sweetness, pleasant to drink; and the other salt, that burns by its saltness; yet from each of them you eat fresh flesh and bring forth ornaments which you wear; and you see the ships cleave through it that you may seek of His bounty and that you may be grateful.