Galen, contrary to his name, which suggests an image of a "calm" person, was anything but calm. He was a combative and argumentative man, sharp-tongued, proud of his knowledge, anatomical research, experience, and successes, rightfully considering himself an authority. In line with the spirit of all Hellenistic philosophies, he did not recognize any distinction between moral theory and practice: in every case, one is what they do, and they do what they are - regardless of what they may claim, orally or in writing; and he had the expectation for physicians to be philosophers and not mere professionals - or "pharmacists," as he liked to characterize them...