the two Sahih collections, nor [is it] (1) in the Sunan collections; rather, it has been transmitted in some form (2). Even assuming that it is authentic and firmly established, it is well known that this hadith was not intended to mean that Abū Dharr was more truthful than all creation. That would entail his being more truthful than the Prophet—peace and blessings be upon him—all the other prophets, and Ali [ibn Abī Tālib] (3). This contradicts the consensus of [all] Muslims (4), Sunnis (5) and Shi'a alike. It is therefore known that this statement means that Abū Dharr was truthful and that no one surpassed him in taking care to speak the truth.
Yet being equal to another person in taking care to speak the truth does not entail being equal to that person in the abundance of one’s truthful statements and affirmation of the truth, or in the magnitude of the truth about which one spoke truthfully and which one affirmed.
The reason is that a man is described as “truthful in speech” when he takes care to speak the truth, even if he has little knowledge of what the prophets brought (6). The Prophet—peace and blessings be upon him—did not say:
“The dusty earth has borne no one greater in affirming the truth than Abū Dharr.”
Rather, he said:
“more truthful in speech,”