In Al-Mahasin it is narrated that regarding God's statement: “Your Lord knoweth best what is in your hearts: if you do deeds of righteousness, verily He is Most Forgiving to those who turn to Him again and again (in true penitence). “[The Holy Quran: Bani Israil 17:25], Imam Sadiq (a.s) said
“They are the ones who worship a lot and repent often.”