سورة الرعد

الَّذِينَ آمَنُوا وَتَطْمَئِنُّ قُلُوبُهُمْ بِذِكْرِ اللَّهِ ۗ أَلَا بِذِكْرِ اللَّهِ تَطْمَئِنُّ الْقُلُوبُ ﴿٢٨﴾

Surah ar-Ra'd

28. Those who believe, and whose hearts find comfort in the remembrance of Allah. Surely, it is in Allah’s remembrance that hearts find comfort.”