According to the Quran (holy muslims book), Prophet Muhammad was the most excellent example for all of humanity. Even non-Muslim historians recognize him to be one of the most successful personalities in history.

- A Ranking of the Most Influential Persons in History. by michae H.Hart" He states that the most influential person in all history was Muhammad, peace be upon him, with Jesus second. "My choice of Muhammad to lead the list of the world's most influential persons may surprise some readers and may be questioned by others, but he was the only man in history who was supremely successful on both the religious and secular level." Michael H. Hart, THE 100: A RANKING OF THE MOST INFLUENTIAL PERSONS IN HISTORY, New York: Hart Publishing Company, Inc., 1978, page. 33.Reverend R.

- "Philosopher, orator, apostle, legislator, warrior, conqueror of ideas, restorer of rational dogmas, of a cult without images; the founder of twenty terrestrial empires and of one spiritual empire, that is Muhammad. As regards all standards by which human greatness may be measured, we may well ask, is there any man greater than he?"
Lamartine, HISTOIRE DE LA TURQUIE, Paris, 1854, Vol. II, pp. 276-277.

- "The personality of Muhammad,it is most difficult to get into the whole truth of it. Only a glimpse of it I can catch. What a dramatic succession of picturesque scenes. There is Muhammad the Prophet. There is Muhammad the Warrior; Muhammad the Businessman; Muhammad the Statesman; Muhammad the Orator; Muhammad the Reformer; Muhammad the Refuge of Orphans; Muhammad the Protector of Slaves; Muhammad the Emancipator of Women; Muhammad the Judge; Muhammad the Saint. All in all these magnificent roles, in all these departments of human activities, he is alike a hero." K. S. Ramakrishna Rao, an Indian (Hindu) professor of Philosophy.

-"I wanted to know the best of one who holds today undisputed sway over the hearts of millions of mankind... I became more than convinced that it was not the sword that won a place for Islam in those days in the scheme of life. It was the rigid simplicity, the utter self-effacement of the Prophet, the scrupulous regard for his pledges, his intense devotion to his friends and followers, his intrepidity, his fearlessness, his absolute trust in God and in his own mission. These and not the sword carried everything before them and surmounted every obstacle. When I closed the 2nd volume (of the Prophet's biography), I was sorry there was not more for me to read of the great life."Mahatma Gandhi from his(young india)

- English author Thomas Carlyle in his 'Heroes and Hero Worship', said "How one man single handedly, could weld warring tribes and wandering Bedouins into a most powerful and civilized nation in less than two decades."

-"Muhammad was the soul of kindness, and his influence was felt and never forgotten by those around him" Diwan Chand Sharma The Prophets of the East, Calcutta, 1935, pp. 12)

-"It was the first religion that preached and practiced democracy; for, in the mosque, when the call for prayer is sounded and worshippers are gathered together, the democracy of Islam is embodied five times a day when the peasant and king kneel side by side and proclaim: 'God Alone is Great'... I have been struck over and over again by this indivisible unity of Islam that makes man instinctively a brother."
(S. Naidu, Ideals of Islam, vide Speeches & Writings, Madras, 1918, p. 169)

- "He must be called the Savior of Humanity. I believe that if a man like him were to assume the dictatorship of the modern world, he would succeed in solving its problems in a way that would bring it much needed peace and happiness."George Bernard Shaw,
(The Genuine Islam, Singapore, Vol. 1, No. 8, 1936)

-The league of nations founded by the prophet of Islam put the principle of international unity and human brotherhood on such universal foundations as to show candle to other nations." He continues, "the fact is that no nation of the world can show a parallel to what Islam has done towards the realization of the idea of the League of Nations. "Professor Hurgronje

-I BELIEVE IN ONE GOD, AND MAHOMED, AN APOSTLE OF GOD' is the simple and invariable profession of Islam. The intellectual image of the Deity has never been degraded by any visible idol; the honor of the Prophet have never transgressed the measure of human virtues; and his living precepts have restrained the gratitude of his disciples within the bounds of reason and religion." Edward Gibbon and Simon Ockley, on the profession of ISLAM, (History of the Saracen Empires, London, 1870, p. 54)

-He is a prophet and not a poet and therefore his Koran is to be seen as Divine Law and not as a book of a human being, made for education or entertainment." Wolfgang Goethe, perhaps the greatest European poet ever