Points Derived from the ḥadith

1 – In this report the Prophet ﷺ clarifies that whoever lodges a claim against another must substantiate it and furnish a bayyina (conclusive proof). If he has no such proof, the yamīn (oath) is required of the defendant so that he may deny the alleged right.

2 – He ﷺ then stated the underlying wisdom for placing the proof upon the claimant and the oath upon the denier: were every claimant granted what he asserted, anyone heedless of Allah could seize the lives and wealth of the innocent by sheer falsehood. But the All-Wise, All-Knowing set limits and rulings so that the force of evil might be curbed and injustice and corruption kept to a minimum. Ibn Daqīq al-ʿĪd said: “This ḥadith indicates that judgment may be rendered only in accordance with the Sharīʿa procedure that has been laid down, even when the judge strongly suspects the claimant is truthful.”

3 – The oath rests with the defendant while the proof lies with the claimant, exactly as al-Bayhaqī’s version records. The oath is required from the stronger of the two litigants, and in the absence of evidence the defendant’s side is deemed stronger because the presumption is that his liability is clear. Hence his oath suffices. Ibn al-Qayyim remarked: “The Sharīʿa prescribes the oath on behalf of the stronger disputant; whichever of the two parties has the weightier position, the oath is assigned to him.” This is the stance of the majority of scholars—such as the people of Madina and the jurisprudents among the hadith specialists, including Aḥmad, al-Shāfiʿī, Mālik, and others.

4 – According to many scholars, bayyina includes witness testimony, oaths, and refusal to swear (nukūl). The more exacting scholars, however, define it as anything that makes the truth manifest: witnesses, circumstantial indicators, or the claimant’s precise description in cases like a luqaṭa (found property). Ibn Rajab said: “Any object that the possessor does not claim—if someone comes and describes it with its hidden characteristics, it is handed over to him; but if another disputes what is already in a person’s hand, it remains with the one in possession.”