If greatness of purpose, smallness of means, and astonishing results are the three criteria of a human genius, who could dare compare any great man in history with Muhammad? The most famous men created arms, laws, and empires only. They founded, if anything at all, no more than material powers which often crumbled away before their eyes. This man moved not only armies, legislations, empires, peoples, dynasties, but millions of men in one-third of the then inhabited world; and more than that, he moved the altars, the gods, the religions, the ideas, the beliefs and the souls.

Photography is better than art. It is a solar phenomenon in which the artist collaborates with the sun.

Philosophy is the rational expression of genius.

Kindness is virtue itself.

There is no man more complete than the one who travelled a lot, who changed the shape of his thoughts and his life twenty times.

Love of country produces among men such examples as Cincinnatus, Alfred, Washington--pure, unselfish, symmetrical; among women, Vittoria Colonna, Madame Roland, Charlotte Corday, Jeanne Darc--romantic, devoted, marvelous.

If God is thy father, human beings are thy brothers and sisters.