The Cow - 2:164 In the creation of the heavens and the earth, and in the alternation of night and day, and in the ships that sail in the ocean for the benefit of mankind, and in Allah sending down water from the sky and reviving the earth after its death, and in every kind of living creature He spreads therein, and in the winds and the swirling of the clouds between the sky and the earth, there are indeed signs (lessons and proofs) for a people who use their reason.
What is the sign in the ships that sail through the ocean for the benefit of mankind?
Prophet Abraham/14:32 Allah is He Who created the heavens and the earth, and sent down water from the sky and brought forth for you food from various fruits. He has given the ships at your command to carry you on the sea according to the law He has established. Likewise, He has placed the rivers at your disposal.

The Night Journey/17:66 Your Lord is He Who sails the ships in the oceans that you may seek His Blessings. He is Most Merciful towards you.

The Romans/30:46 And of His signs is that He makes you taste of His mercy, and sends the ships to sail by His command, and sends the winds as bearers of glad tidings that you may seek His grace (through trade) and give thanks.

Council/42:32 And the ships that sail like mountains in the ocean are among His Signs.
Council/42:32 And the ships that sail like mountains in the ocean are among His Signs.
Council/42:33 If He willed, He would have stopped the wind and they would have remained motionless on the water. In this are signs for every patient and thankful person.
Council/42:33 If He willed, He would have stopped the wind and they would have remained motionless on the water. In this are signs for every patient and thankful person.

The Kneeling/45:12 It is Allah Who has given the sea under your command so that you may sail the ships by His command, that you may seek your share of His bounty and give thanks.