All of that manifests His power within them and clarifies His signs to them; and if it were [only] one religion, He would not be Wise.

What is meant by his saying: (If it were a single religion, He would be unwise).

What is intended by His saying: "If it were one religion, He would not be Wise" is that the Wise One is not described as repeating a thing twice—of name, attribute, promise, or threat. Rather, the repetition of different descriptions, names, and various manifestations serves to increase clarification and inward teaching due to the believers' need for it; and Allah knows best.

The proof is each messenger's confirmation of the sayings of those before him, because they are all of one opinion, their word is one word; rather, they are all one.

The Exalted has informed us in His Mighty Book that He permits for them the inward sciences—symbolized by the good things—and forbids them the vile things—symbolized by the outward sciences—and removes from them their burden and the shackles—symbolized by the outward obligations—saying in Surah Al-A'raf:

{Those who follow the Messenger, the unlettered prophet, whom they find written in what they have of the Torah and the Gospel, who enjoins upon them what is right and forbids them what is wrong and makes lawful for them the good things and prohibits for them the evil and