[4:152] As for those who believe in GOD and His messengers, and make no distinction among them, He will grant them their recompense. GOD is Forgiver, Most Merciful.

The only duty of all prophets and messengers is to deliver and proclaim God's message to their communities. They are just the deliverers, and God is the source of religious laws and guidance, and the only one to be worshipped. 

God, Himself commands us not to make any distinction among his messengers.

[2:136] Say, "We believe in GOD, and in what was sent down to us, and in what was sent down to Abraham, Ismail, Isaac, Jacob, and the Patriarchs; and in what was given to Moses and Jesus, and all the prophets from their Lord. We make no distinction among any of them. To Him alone we are submitters."

[2:285] The messenger has believed in what was sent down to him from his Lord, and so did the believers. They believe in GOD, His angels, His scripture, and His messengers: "We make no distinction among any of His messengers." They say, "We hear, and we obey.* Forgive us, our Lord. To You is the ultimate destiny."

[3:84] Say, "We believe in GOD, and in what was sent down to us, and in what was sent down to Abraham, Ismail, Isaac, Jacob, and the Patriarchs, and in what was given to Moses, Jesus, and the prophets from their Lord. We make no distinction among any of them. To Him alone we are submitters." 

[4:150] Those who disbelieve in GOD and His messengers, and seek to make distinction among GOD and His messengers, and say, "We believe in some and reject some," and wish to follow a path in between;