Surah Ar-Ra'd, Ayah 28
Quran 13:28 · The Thunder · Madani · Para 13 · Page 253
اَلَّذِیْنَ اٰمَنُوْا وَتَطْمَىِٕنُّ قُلُوْبُهُمْ بِذِكْرِ اللّٰهِ ؕ اَلَا بِذِكْرِ اللّٰهِ تَطْمَىِٕنُّ الْقُلُوْبُ ۟ؕ
Transliteration
Allatheena amanoo watatma-innuquloobuhum bithikri Allahi ala bithikriAllahi tatma-innu alquloob
Saheeh International
Those who have believed and whose hearts are assured by the remembrance of Allāh. Unquestionably, by the remembrance of Allāh hearts are assured."
Al-Mukhtasar fi Tafsir
These people whom Allah guides are those who have faith and whose hearts find comfort in the remembrance of Allah and in His glorification and praise and by reciting and listening to His book. Truly it is only natural that in the remembrance of Allah hearts find comfort.
Tafsir Ibn Kathir (abridged)
Explains 13:27–13:29 together — read it on 13:27