Dedicate yourself to learning and preserving knowledge accurately.

This hadith is about the knowledge and dedication of the companions of Prophet Muhammad (PBUH). It is narrated by Hammam bin Munabbih that Abu Hurairah said that none of the companions have narrated more ahadith from him than himself, except for Abdullah bin Amr who used to write them down. This shows us how dedicated and knowledgeable these companions were in preserving and spreading the teachings and words of Prophet Muhammad (PBUH). They would memorize his words so they could pass it on to others, or they would write it down so it could be preserved for future generations. This hadith also teaches us about how important it is to preserve knowledge and pass it on in an accurate manner.