"He is the William Blake of the twentieth century."

- Auguste Rodin

"His is an irresistible vigor and clarity of thought and feeling, together with a power of simple picturing, which makes it unforgettable. It is the voice and genius of the Arabic people."

- The New York Evening Post

"Never have I read anything like it, never has a little book brought me so deep and passionate a pleasure. He has breathed the spirit of the East on our cold and indifferent souls; and I, for one, feel almost as if I had been suffocated by the breath of an intense beauty."

- The Liberator