Al Ma'arij 70 : verse 34

وَٱلَّذِينَ هُمْ عَلَىٰ صَلَاتِهِمْ يُحَافِظُونَ

Wa Al-Ladhīna Hum `Alá Şalātihim Yuĥāfižūna

And those who guard (the sacredness) of their worship;-

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