The Bee - 16:119 Nevertheless, your Lord is Forgiving, Merciful to those who do evil out of ignorance, then repent and reform, yes, your Lord is Forgiving, Merciful after that.
Related:
The Cattle/6:54 "When those who believe in Our Verses come to you, they say, "Peace be upon you. Your Lord has made it a principle to be merciful. Therefore, whoever repents after an unintentional evil deed and corrects himself, know that He is Forgiving, Merciful."

The Bee/16:119 Nevertheless, your Lord is Forgiving, Merciful to those who do evil out of ignorance, then repent and reform, yes, your Lord is Forgiving, Merciful after that.