Sound heart — قلب سليم

{یَوۡمَ لَا یَنفَعُ مَالࣱ وَلَا بَنُونَ ۝  إِلَّا مَنۡ أَتَى ٱللَّهَ بِقَلۡبࣲ سَلِیمࣲ} (الشورى:88-89)

«The Day when there will not benefit [anyone] wealth or children (*) But only one who comes to Allah with a sound heart.» (The council:88-89)