إِلَّا الَّذينَ تابوا مِن قَبلِ أَن تَقدِروا عَلَيهِم ۖ فَاعلَموا أَنَّ اللَّهَ غَفورٌ رَحيمٌ

Except for those who repent before you apprehend them. Know that God is Forgiving and Merciful.