وَمَا تَسْأَلُهُمْ عَلَيْهِ مِنْ أَجْرٍ ۚ إِنْ هُوَ إِلَّا ذِكْرٌ لِلْعَالَمِينَ 104
And you do not ask of them for it any payment. It is not except a reminder to the worlds.