Yet, as an emphasis in this verse, it says: "And We did not...

Yet, as an emphasis in this verse, it says: "And We did not send any Messenger save that he should be obeyed, by Allah's leave, ..." The reason of it is that those Apostles have been both the Messenger of Allah and the chief in the divine government. Therefore, people have been enjoined to obey them from the point of stating the ordinances of Allah, and the manner of practicing them both. They should not suffice only to a mere claim of faith.

Then, in the continuation of the verse, it has opened the door of return to the…