Tmym bin Trfh تميم بن طرفة · The Book of Oaths and Vows

"I swore by Al-Lat and Al-'Uzza and my companions said to me: 'What a bad thing you have said! You have said something horrible.' So I went to the Messenger of Allah and told him about that. He said: 'Say: La ilaha illallah wahdahu la sharika lah, lahul-mulk wa lahul-hamd wa huwa 'ala kulli shay'in qadir (There is none worthy of worship except Allah with no partner or associate; His is the Dominion, to Him be all praise, and He…

"The Messenger of Allah commanded us to do seven things: He commanded us to attend funerals, visit the sick, to reply (say: Yarhamuk Allah ) to one who sneezes, to accept invitations, to support the oppressed, to fulfill oaths (when adjured by another) and to return greetings of Salaam."