The Book of Good Manners - Anas (May Allah be pleased with him) said: Messenger of Allah came to me while I was playing with the boys. He greeted us and sent me on an errand. This delayed my return to my mother. When I came to her, she asked, "What detained you?" I said; "Messenger of Allah sent me on an errand." She asked, "What was it?" I said, "It is a secret." My mother said; "Do not disclose to anyone the secret of Messenger of Allah." Anas (May...