The root of this heresy is opposing what the prophets brought with human reasoning and opinions.

[The Twenty-Fifth Argument]

Allah, Glorified and Exalted, has explained in His Book that opposition of this kind is the work of the devils who are enemies of the prophets.

He, Exalted is He, says:

“Follow what has been revealed to you from your Lord. There is no god but Him, and turn away from the polytheists. Had Allah willed, they would not have associated partners with Him. We have not appointed you a guardian over them, nor are you charged with their affairs. Do not insult those whom they invoke besides Allah, lest they insult Allah in hostility, without knowledge. Thus We have made each community’s deeds appealing to them. Then to their Lord they will return, and He will inform them of what they used to do. They swear their strongest oaths by Allah that, if a sign comes to them, they will surely believe in it. Say, ‘Signs are only with Allah.’ And what will make you realize that, even if a sign comes, they will not believe? We turn their hearts and eyes away, just as they did not believe in it the first time, and We leave them wandering blindly in their transgression.”

[al-An'ām: 106–110]

That is: what will make you realize that, when the signs come, they will not believe, and that We turn their hearts and eyes away, just as they did not believe in it the first time?

Thus His words, “We turn their hearts away,” are coordinated with His words, “they will not believe,” and both fall within the scope of His words:

“And what