“Mohammad's career is a wonderful instance of the force and life that resides in him who possesses an intense faith in God and in the unseen world. He will always be regarded as one of those who have had that influence over the faith, morals and whole earthly life of their fellow men, which none but a really great man ever did, or can exercise; and whose efforts to propagate a great verity will prosper.”

The Preface to his translation of the Holy Quran