73:8

Al-Muzzammil 73:8

وَٱذْكُرِ ٱسْمَ رَبِّكَ وَتَبَتَّلْ إِلَيْهِ تَبْتِيلًۭا

Wazkuris ma rabbika wa tabattal ilaihi tabteelaa

And remember the name of your Lord and devote yourself to Him with [complete] devotion.