Quran 55:21 — Most Gracious (Al-Rahmaan)

فَبِأَىِّ ءالاءِ رَبِّكُما تُكَذِّبانِ

Which of your Lord's marvels can you deny?

[55:20] A barrier is placed between them, to prevent them from transgressing.

[55:22] Out of both of them you get pearls and coral.