45:15
مَنْ عَمِلَ صَٰلِحًۭا فَلِنَفْسِهِۦ ۖ وَمَنْ أَسَآءَ فَعَلَيْهَا ۖ ثُمَّ إِلَىٰ رَبِّكُمْ تُرْجَعُونَ
Whoever does a good deed - it is for himself; and whoever does evil - it is against the self. Then to your Lord you will be returned.
Translation · Saheeh International
Tafsir
Ibn Kathīr (abridged)
The Subjugation of the Sea, etc., is among Allah's Signs
Allah the Exalted mentions some of the favors He gave to His servants, such as subjecting the sea for their service,
لِتَجْرِىَ الْفُلْكُ فِيهِ بِأَمْرِهِ
(that ships may sail through the sea by His command,) i.e., of Allah the Exalted, Who ordered the sea to carry ships,
وَلِتَبْتَغُواْ مِن فَضْلِهِ
(and that you may seek of His bounty,) in commercial and business transactions,