The time had now arrived for the Islamic mission to travel beyond the confines of the Arabian peninsula. So Muhammad dispatched his messengers to all the kingdoms known to his people, to the Roman Caesar, and the emperor of Iran, the governor of Egypt and the Negus of Abyssinia, the king of Ghassan, and the chief of Yamama. The message was identical to them all and neither political nor diplomatic expedients dictated either the choice or the status of the powers addressed. Each epistle bore the impression of Muhammad's seal, with the words Muhammad, the Apostle of Allah.At the top came Allah and the bottom Muhammad and between the two Apostle. Hence, the epistle established also the fact that Muhammad looked upon Islam as a cosmopolitan religion. In case of Chritianity, universality was never claimed. Jesus himself laid no claim to such a position. He clearly said that he had come for the lost sheep of Israel. Muhammad however claimed from the inauguration of his dispensation that it was meant for the whole mankind.