وَإِن كَذَّبوكَ فَقُل لي عَمَلي وَلَكُم عَمَلُكُم ۖ أَنتُم بَريئونَ مِمّا أَعمَلُ وَأَنا بَريءٌ مِمّا تَعمَلونَ

And if they deny you, [O Muhammad], then say, "For me are my deeds, and for you are your deeds. You are disassociated from what I do, and I am disassociated from what you do."