Ensure that the source can be trusted , Pass down from one generation to another without any changes or alterations .

This hadith is about the importance of narrating hadiths from reliable sources. It is important to ensure that the source of a hadith can be trusted, and that it has been relayed through a chain of transmitters who are reliable and trustworthy. This ensures that the authenticity and accuracy of the hadiths are maintained, as they have been passed down from one generation to another without any changes or alterations. It also helps to protect against false or fabricated narrations which could lead to confusion and misunderstanding among Muslims.