Tafsir of Yusuf 12:104

وما تسٲلهم عليه من أجر

And no reward you ask of them for it; Allah says, `You, O Muhammad, do not ask them in return for this advice and your call to all that is good and righteous, for any price or compensation for delivering it. Rather, you do so seeking Allah's Face and to deliver good and sincere advice to His creatures,

إن هو إﻻ ذكر للعالمين

it (the Qur'an) is no less than a Reminder unto the `Alamin (men and Jinn). with which they remember, receive guidance and save themselves in this life and the Hereafter.'