disinterestedness in da'wah

يَـٰقَوْمِ لَآ أَسْـَٔلُكُمْ عَلَيْهِ أَجْرًا ۖ إِنْ أَجْرِىَ إِلَّا عَلَى ٱلَّذِى فَطَرَنِىٓ ۚ أَفَلَا تَعْقِلُونَ

O my people, I do not ask you for it [i.e., my advice] any reward. My reward is only from the one who created me. Then will you not reason?

قُلْ مَآ أَسْـَٔلُكُمْ عَلَيْهِ مِنْ أَجْرٍ إِلَّا مَن شَآءَ أَن يَتَّخِذَ إِلَىٰ رَبِّهِۦ سَبِيلًا

Say, "I do not ask of you for it any payment - only that whoever wills might take to his Lord a way."

قُلْ مَا سَأَلْتُكُم مِّنْ أَجْرٍ فَهُوَ لَكُمْ ۖ إِنْ أَجْرِىَ إِلَّا عَلَى ٱللَّهِ ۖ وَهُوَ عَلَىٰ كُلِّ شَىْءٍ شَهِيدٌ

Say, "Whatever payment I might have asked of you - it is yours. My payment is only from Allāh, and He is, over all things, Witness."