Al-Ma'aarij • EN-AL-JALALAYN
﴿ وَٱلَّذِينَ هُمْ عَلَىٰ صَلَاتِهِمْ يُحَافِظُونَ ﴾
“and who guard their prayers [from all worldly intent].”
and who preserve their prayers by observing them in their appointed times.