Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates that the Prophet Muhammad (peace and blessings be upon him) said: "The Hour will not be established until Madinah expels its worst people in the same way that a furnace removes the impurities (i.e., rust) from iron." The Prophet Muhammad (peace and blessings be upon him) also said: "A time will come upon the people when a person will call his relative or his friend towards prosperity, although if those people knew, Madinah would be better for them."