The word(s) "qalbuhu" appears 2 time(s) in 2 verse(s) in Quran.

(1) Wain kuntum AAala safarin walam tajidoo katiban farihanun maqboodatun fain amina baAAdukum baAAdan falyuaddi allathee itumina amanatahu walyattaqi Allaha rabbahu wala taktumoo alshshahadata waman yaktumha fainnahu athimun qalbuhu waAllahu bima taAAmaloona AAaleemun

(سورة البقرة, Al-Baqara, Chapter #2, Verse #283)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)

(2) Man kafara biAllahi min baAAdi eemanihi illa man okriha waqalbuhu mutmainnun bialeemani walakin man sharaha bialkufri sadran faAAalayhim ghadabun mina Allahi walahum AAathabun AAatheemun

(سورة النحل, An-Nahl, Chapter #16, Verse #106)
(Arabic, Transliteration, Urdu (Ahmed Ali), Urdu (Jalandhry), Farsi, Yusuf Ali, Shakir, Picthal, Mohsin Khan, French, Spanish, Indonesian, Malay, German, Bosnian, Russian, Dutch, Italian, Portuguese, Tafsir - Jalal ad-Din, Tafsir - King Fahad Quran Complex)