Sayyiduna Muawiyah bin Haydah (may Allah be pleased with him) says: I said,“O Messenger of Allah! I had sworn as many oaths as the number of my fingers that I would neither come to you nor accept your religion, but now I have come. I am a simple-minded person and I only know a few things that Allah and His Messenger have taught. Now, I ask you by Allah’s name: With what has your Lord sent you?”The Prophet (peace and blessings be upon him) said:“With Islam.”I said,“What are the signs of Islam?”The Prophet (peace and blessings be upon him) said:“That you say: I have submitted my face to Allah and surrendered to Him, and that you establish prayer and pay zakat. Every Muslim is sacred to another Muslim. (In this religion) two brothers help each other, and Allah does not accept any deed of a polytheist after he becomes Muslim until he leaves the polytheists and joins the Muslims.”