وَإِن كَذَّبُوكَ فَقُل لِّي عَمَلِي وَلَكُمۡ عَمَلُكُمۡۖ أَنتُم بَرِيٓـُٔونَ مِمَّآ أَعۡمَلُ وَأَنَا۠ بَرِيٓءٞ مِّمَّا تَعۡمَلُونَ
If they cry lies to thee, then do thou say: 'I have my work, and you have your work; you are quit of What I do, and I am quit of what you do
Author: A. J. Arberry