What is the meaning of the following verse? Is this hadith authentic, as it is from the book of Muslim, but I do not know its hadith reference, so I needed that too. Please quote what Prophet Muhammad ...

Assalaamu alaykum wa rahmatullaahi wa barakaatuhu, Shaykh. It was narrated from Abu Hurairah, may Allaah be pleased with him, that the Messenger of Allaah, sallallaahu ‘alayhi wa sallam, said, “In ...