The word(s) "hard-hearted" appears 1 time(s) in 1 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) What! is he whose heart Allah has opened for Islam so that he is in a light from his Lord (like the hard-hearted)? Nay, woe to those whose hearts are hard against the remembrance of Allah; those are in clear error.

(سورة الزمر, Az-Zumar, Chapter #39, Verse #22)
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