Sahih Muslim Book 42, Hadith Number 7121.Sahih Muslim Book 42. Piety and Softening Of Hearts Chapter : Pertaining to the guarding of tongue. Abu Huraira reported Allah’s Messenger (may peace be upon him) as saying: The servant speaks words that he does not understand its repercussions but he sinks down in Hell-Fire farther than the distance between the east and the west. Â Related Previous Post Sahih Muslim Book 42, Hadith Number 7122. Next Post Sahih Muslim Book 42, Hadith Number 7120.