أَم يَقولونَ افتَراهُ ۖ قُل إِنِ افتَرَيتُهُ فَعَلَيَّ إِجرامي وَأَنا بَريءٌ مِمّا تُجرِمونَ

If they accuse you of making it up, say, “If I made it up, then the sin rests upon me, and I am innocent of the sins you commit.”