Moral contrast between believers and disbelievers

وَقُل لِّلَّذِينَ لَا يُؤْمِنُونَ ٱعْمَلُوا۟ عَلَىٰ مَكَانَتِكُمْ إِنَّا عَـٰمِلُونَ

And say to those who do not believe, "Work according to your position; indeed, we are working.