Surah Ar-Rad Verse 28 - English Translation by Hamid S Aziz
Surah Ar-Radٱلَّذِينَ ءَامَنُواْ وَتَطۡمَئِنُّ قُلُوبُهُم بِذِكۡرِ ٱللَّهِۗ أَلَا بِذِكۡرِ ٱللَّهِ تَطۡمَئِنُّ ٱلۡقُلُوبُ
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)