Preserve knowledge, Trust reliable sources for information, Pass on knowledge from generation to generation.

This hadith is about the teachings of 'Ali, which were passed down through a chain of transmitters. The teachings were shared from one person to another in order to ensure that they were preserved and remembered. This hadith emphasizes the importance of preserving knowledge and passing it on from generation to generation. It also highlights the importance of having reliable sources for information, as well as being able to trust those who are sharing it with us. By doing this, we can ensure that we are receiving accurate information and not being misled by false claims or rumors.