And (also mention) Dhu’n-Nun (Jonah). He departed in anger (from his people, who persistently disbelieved and paid no attention to his warnings), and he was certain that We would never straiten (his life for) him. But eventually he called out in the veils of darkness (formed of the belly of the fish, the sea, and dark, rainy night): “There is no god ˹worthy of worship˺ except You. Glory be to You! I have certainly done wrong.”
Meaning:-
Persistently: continuously.
Veils: cover, conceal