Nicholas added: "I stopped at the scene when the prophet gathered his companions for consultation. He was not a self-centered ruler or a dictator despising others. Having a great love and respect of the prophet, Salman with his long legs and thick hair came up from the high plateau near Medina. He said: "Medina is fortied by the mountains and the surround- ing rock, however, there is a wide gap that the enemies can break into". Had learned in Persia a lot of tricks of war, Salman suggested to the prophet digging a trench to cover all open area around Medina that sounded odd to the Arab known war strategies. The prophet approved his idea which unexpectedly surprised Quraish troops and remained in their tents for a month and are unable to storm the city. So, Allah sent them one night wind "Sarsar winds" and uprooted all tents. Then, Abu Suan called upon soldiers and commanded them to go back home. Jewish Spanish Professor Nicholas: The Prophet's humbleness led me to Islam Messenger Of Mercy Jewish Spanish Professor Nicholas: The Prophet's humbleness led him to Islam His heart was burning of caring for his mother, who had not converted to Islam, although his father had told him before stepping up his soul to the sky that he knew that Islam is the true religion, but he could not be declare that. The Spanish Professor, Who was a Jew and became a dāia to Islam, hopes each Muslim to invite his/her mother to accept Islam in her life time and not being arrogant. Nicholas Turejanoh, professor of Arabic at the University of "Malaga" Spain, said: "I converted to Islam when I studied the biography of the prophet peace be upon him. I started my interest in religion since childhood. Being a student at a Catholic school, I read the traditions and heritage of all prophets in the Torah and the Gospels. The most striking point was that of Abraham and Jacob peace be upon both of them. However, I was highly inuenced by the story of the Book author :