Is there evidence that a line is sufficient as a sutrah?

Question : Now, is there evidence that a line is sufficient?

Answer : The answer is yes, there is evidence. The Prophet (peace and blessings be upon him) said, "Whoever... " Regarding this hadith, al-Hafiz Ibn Hajar said in *Bulugh al-Maram*. He did not hit the mark who claimed it is *mudtarib*, because Ibn al-Salah (may Allah have mercy on him) said it is *mudtarib*. As you know, *mudtarib* is one of the categories of weak hadith. But Ibn Hajar refuted that and said, "" A *hasan* hadith is a proof. A *hasan* hadith is a proof because it establishes preponderant probability. According to the well-known definition, a *hasan* is what is narrated by a just narrator with slight precision, through a connected chain free from anomaly and a decisive defect. Accordingly, the hadith is a proof. So if you do not find a standing object, draw a line.