The Mu'tazilah hold that numerous great good deeds are nullified by a single major sin, and that a person’s faith and affirmation of Allah’s oneness are nullified by sins less than that. This is among the injustices peculiar to their doctrine from which Allah has declared Himself free. Thus, they attribute injustice to Allah, not justice. And Allah knows best.
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His statement:
“He is the Almighty, the All-Wise,”
affirms His might and wisdom, and refutes both groups: the Jabriyyah and the Qadariyyah. For according to the Jabriyyah—the followers of Jahm—He does not truly possess wisdom. Hence, when the Ash'arīs sought to explain His wisdom, they interpreted it as either power, knowledge, or will.
It is well known that none of these interpretations affirms His wisdom. Someone who possesses power, knowledge, and will may or may not be wise; wisdom is something additional to these. They say that Allah does not act for a wise purpose. They also say: “Acting to achieve a purpose is possible only for one who can benefit, suffer harm, experience pain, and feel pleasure; all of this is ruled out with regard to Allah.”
The Mu'tazilah, however, affirmed that He acts for a wise purpose. They called this a “purpose”—both they and a group