12:104
وَمَا تَسْـَٔلُهُمْ عَلَيْهِ مِنْ أَجْرٍ ۚ إِنْ هُوَ إِلَّا ذِكْرٌۭ لِّلْعَٰلَمِينَ
Wa maa tas'aluhum 'alaihi min ajr; in huwa illaa zikrul lil'aalameen
And you do not ask them for a reward for this; it is nothing but a reminder for all mankind.
