13:28
ٱلَّذِينَءَامَنُوا۟وَتَطْمَئِنُّقُلُوبُهُمبِذِكْرِٱللَّهِ ۗأَلَابِذِكْرِٱللَّهِتَطْمَئِنُّٱلْقُلُوبُ٢٨
alladhīna āmanū wataṭma-innu qulūbuhum bidhik'ri l-lahi alā bidhik'ri l-lahi taṭma-innu l-qulūbu
Those who have believed and whose hearts are assured by the remembrance of Allāh. Unquestionably, by the remembrance of Allāh hearts are assured."(28)