7وَإِذ تَأَذَّنَ رَبُّكُم لَئِن شَكَرتُم لَأَزيدَنَّكُم ۖ وَلَئِن كَفَرتُم إِنَّ عَذابي لَشَديدٌM. M. PickthallAnd when your Lord proclaimed: If ye give thanks, I will give you more; but if ye are thankless, lo! My punishment is dire.