the burdens of the helpless, honor guests, provide people with what they lack, and assist those afflicted by calamity in worthy causes.” (1)
Through her sound judgment, may Allah be pleased with her, she inferred that Allah would not recompense someone whom He had endowed with these noble qualities—which are among the finest traits of the righteous who are worthy of praise—by allowing Satan to corrupt his mind and religion. Before then, she possessed no revelation by which she could know that this would not happen; rather, she knew it solely through her sound judgment.
Likewise, when liars such as Musaylima the Liar, al-Ansī, and others claimed prophethood, their case might appear ambiguous because devils descended upon them and conveyed messages to them. An ignorant person might therefore suppose this to be of the same kind as what descends upon the prophets and is revealed to them. Yet the reports that reached discerning people, together with what they witnessed (2) of their conduct—their flagrant lying, wrongdoing, and the like—made it clear to them that such a person was no prophet, for they knew that a prophet could be neither a liar nor wicked.
It is reported in the two Sahīh collections that when Dhū al-Khuwaysira said to the Prophet—may Allah bless him and grant him peace:
“Be just, Muhammad, for you have not acted justly,”
the Prophet—may Allah bless him and grant him peace—replied:
“You have indeed failed and lost if I am not just. Will you not trust me, though I am trusted by the One above the heavens?” (3)
In the sound narration, the ending bears an a-vowel, indicating the second person; that is: “You are a loser and a failure if I do not—”