A hadith like this is narrated on the authority of Abu Huraira (Allah be pleased with him).
The teachings found in this hadith emphasize on how important it is for us to learn and teach others about Islam through its holy book - The Qur'an - which contains all sorts of guidance for our lives here on earth as well as what awaits us after death. It reminds us that by learning more about our religion, not only will we benefit ourselves but also those around us who may need guidance or advice on matters related to faith or life itself.