Verify authenticity before believing or passing on information further .

This hadith emphasizes the importance of narrating ahadith from reliable sources. It is important to ensure that the source of information is trustworthy and accurate in order to avoid any misinterpretations or misunderstandings. In this case, al-Aswad b. Qais was mentioned as the narrator with a chain of transmitters which implies that his narration can be trusted and relied upon for accuracy and truthfulness. This hadith teaches us to be mindful when it comes to accepting information from others and encourages us to verify its authenticity before believing it or passing it on further.