„Comparative anatomy, therefore, proves that man is naturally a frugivorous animal, formed to subsist upon fruits, seeds, and farinaceous vegetables.“
— Sylvester Graham
Sylvester Graham's Lectures on the Science of Human Life https://books.google.it/books?id=nRwDAAAAQAAJ, condensed by T. Baker, Manchester: John Heywood, 1881, p. 76.