Surah Ar-Rad Verse 28 - English Translation by Ali Unal
Surah Ar-Radٱلَّذِينَ ءَامَنُواْ وَتَطۡمَئِنُّ قُلُوبُهُم بِذِكۡرِ ٱللَّهِۗ أَلَا بِذِكۡرِ ٱللَّهِ تَطۡمَئِنُّ ٱلۡقُلُوبُ
Those who have believed (and become established in belief), and whose hearts find rest and contentment in remembrance of and whole-hearted devotion to God. Be aware that it is in the remembrance and of and whole-hearted devotion to God that hearts find rest and contentment