فَإِن زَلَلتُم مِن بَعدِ ما جاءَتكُمُ البَيِّناتُ فَاعلَموا أَنَّ اللَّهَ عَزيزٌ حَكيمٌ

If you relapse after the clear signs have come to you, then know that God is Powerful and Wise.