The Letter Sad 38:18. Juz 23, page 454.
إِنَّا سَخَّرْنَا ٱلْجِبَالَ مَعَهُۥ يُسَبِّحْنَ بِٱلْعَشِىِّ وَٱلْإِشْرَاقِ١٨Lo! We subdued the hills to hymn the praises (of their Lord) with him at nightfall and sunrise,
Sad 38:18, translated by Marmaduke Pickthall