Hadith 5:500
Waki’ narrated to us, from Isma’il bin ‘Abd al-Malik, from ‘Ata’, who said: I asked him, and he said: "Count as a reward (ihtasib) what the tax collector (al-‘ashir) has taken from you."
حدثنا وكيع عن إسماعيل بن عبد الملك عن عطاء قال سألته فقال احتسب بما أخذ منك العاشر