Surah Al-Mu'minun (The Believers), Verse 9

وَالَّذِیْنَ هُمْ عَلٰی صَلَوٰتِهِمْ یُحَافِظُوْنَ ۟

Wallazeena hum 'alaa Salawaatihim yuhaafizoon

“And who (strictly) guard their prayers;-”

Quran 23:9 (Yusuf Ali Translation)