28الَّذينَ آمَنوا وَتَطمَئِنُّ قُلوبُهُم بِذِكرِ اللَّهِ ۗ أَلا بِذِكرِ اللَّهِ تَطمَئِنُّ القُلوبُHamid Aziz"Those who believe and whose heart have rest in Zikr (remembering or mention) of Allah. Verily, in Zikr (remembering or mention) of Allah do hearts find rest (comfort, satisfaction, fulfilment).