His Light is found in those houses [Mosques of worship] which Allah has sanctioned to be built for the remembrance of His name; where His praise is sung, in the mornings and in the evenings again and again,
Meaning:-
His Light is found in those houses: Lit., “and [ordained] that His name …”, etc.: implying, as the sequence shows, that the spiritual purpose of those houses of worship is fulfilled only by some, and not all, of the people who are wont to congregate in them out of habit.