Someone might object: "But Allah brings about the result through that very cause." The answer is that whenever the cause is unlawful, resorting to it is impermissible—just as the diseases Allah creates after a person ingests poison do not make eating poison permissible.
The forbidden supplication may itself be directed to someone other than Allah—such as when Christians say, “O Mother of God, intercede for us with God.” It may be addressed to Allah but employ a means of approach that He does not approve, like the idol-worshippers who seek nearness to Allah through their idols. Or it may be a prayer to Allah couched in words unfit for addressing Him at all, because they constitute an act of transgression.
Even though a person may occasionally attain his goal through such prayers, they remain prohibited, for the corruption they entail far outweighs any benefit, as has been explained. Hence they become a trial for anyone whom Allah has not guided, whose heart He has not enlightened, and who fails to distinguish between what belongs to the sphere of creative decree (takwīn) and what belongs to the sphere of legislative command (tashrīʿ)—between fate (qadar) and revealed law (sharʿ).
He must realize that matters fall into three categories:
• Those Allah has decreed even though He neither loves nor approves of them; the causes that bring these about are forbidden and incur His punishment.
• Those He has legislated and therefore loves and accepts from His servant, though He has not aided him to