[Illustration: FIG. 6. A kylix from the Berlin Museum of about 490 B. C. It bears the inscription ΣΟΣΙΑΣ ΕΠΟΙΗΣΕΝ {SOSIAS EPOIÊSEN}, _Sosias made_ (_me_), and represents Achilles bandaging Patroclus, the names of the two heroes being written round the margin. The painter is Euphronios, and the work is regarded as the masterpiece of that great artist. The left upper arm of Patroclus is injured, and Achilles is bandaging it with a two-rolled bandage, which he is trying to bring down to extend over the elbow. The treatment of the hands, a department in which Euphronios excelled, is particularly fine. Achilles was not a trained surgeon, and it will be observed, from the position of the two tails of the bandage, that he will have some difficulty when it comes to its final fastening!] Among the surgical procedures of which descriptions are to be found in the Hippocratic writings are the opening of the chest for the condition known as _empyema_ (accumulation of pus within the pleura frequently following pneumonia), and trephining the skull in cases of fracture of that part--two fundamental operations of modern surgery. Surgical art has advanced enormously in our own times, yet a text-book containing much that is useful to this day might be prepared from these surgical contents of the collection alone. When we pass to the works on Medicine, in the restricted sense, we enter into a region more difficult and perhaps even more fascinating. We are no longer dealing with simple lesions of known origin, but with the effects of disease and degeneration, of the essential character of which the Hippocratic writers could in the nature of the case know very little. Rigidly guarding themselves from any attempt to explain disease by more immediate and hypothetical causes and thus diverting the reader's energies in the medically useless direction of vague speculation--the prevalent mental vice of the Greeks--the best of these physicians are content if they can put forward generalized conclusions from actually observed cases. Many of their thoughts have now become household words, and they have become so, largely as a direct heritage from these ancient physicians. But it must be remembered that ideas so familiar to us were with them the result of long and carefully recorded experience and are like nothing that we encounter in the medicine of other ancient nations. Such conclusions are best set forth perhaps in the wonderful book of the _Aphorisms_ from which we may permit ourselves a few quotations: 'Life is short, and the Art long; the opportunity fleeting; experiment dangerous, and judgement difficult. Yet we must be prepared not only to do our duty ourselves, but also patient, attendants, and external circumstances must co-operate.'[83] [83] The first lines are the source of the famous lines in Goethe's _Faust_: