المزمل
Surah Al-Muzzammil, Verse 8
The Enshrouded One, verse 8 of 20
وَٱذۡكُرِ ٱسۡمَ رَبِّكَ وَتَبَتَّلۡ إِلَيۡهِ تَبۡتِيلٗا٨
wa-udh'kuri is'ma rabbika watabattal ilayhi tabtīlan
And remember the name of your Lord and devote yourself to Him with [complete] devotion.