Allah, the Exalted, also says:

“We have sent down to you the Book in truth, confirming the Scripture that came before it and safeguarding it. So judge between them according to what Allah has revealed and do not follow their whims, forsaking the truth that has come to you. For each community We have appointed a law and a way.”

[The inseparability of believing in all the messengers]

He therefore made belief in the messengers mutually dependent, and He pronounced a verdict of unbelief upon anyone who claims to believe in some of them while rejecting others. The Most High says:

“Those who deny Allah and His messengers, who seek to draw a distinction between Allah and His messengers, and who say, ‘We believe in some and disbelieve in others,’ wishing to take a path in between—these are in truth the unbelievers.”

He also says:

“Do you then believe in part of the Scripture and disbelieve in part? The recompense of anyone who does that among you is nothing but disgrace in the life of this world; and on the Day of Resurrection they will be returned to the most severe punishment. Allah is not unaware of what you do.”

And He instructed us:

“Say, ‘We believe in Allah, in what has been sent down to us, in what was sent down to Abraham, Ishmael, Isaac, Jacob, and the Tribes, in what Moses and Jesus were given, and in what the prophets were given from their Lord. We make no distinction between any of them, and to Him we submit. If they believe in the same as you do, they are rightly guided, but if…’”