"I was then very raw and inexperienced, having never seen the treatment of gun-shot wounds. It is true that I had read in the Treatise of Jean de Vigo on wounds in general, that those inflicted by fire-arms partake of a poisonous nature on account of the powder, and that they should be treated with hot oil of elder, mixed with a little theriacum. Seeing, therefore, that such an application must needs put the patient to extreme pain, to assure myself before I should make use of this boiling oil, I desired to see how it was employed by the other surgeons. I found their method was to apply it at the first dressing, as hot as possible, within the wound, with tents and setons; and this I made bold to do likewise. At length my oil failed me, and I was fain to substitute a digestive, made of the yolk of eggs, rose-oil, and turpentine. At night I could not rest in my bed in peace, fearing that I should find the wounded, in whose cases I had been compelled to abstain from using this cautery, dead of poison: this apprehension made me rise very early in the morning to visit them; but beyond all my hopes, I found those to whom I had applied the digestive, suffering little pain, and their wounds free from inflammation; and they had been refreshed by sleep in the night. On the contrary, I found those to whom the aforesaid oil had been applied, feverish, in great pain; and with swelling and inflammation round their wounds. I resolved, therefore, that I would never burn unfortunate sufferers from gun-shot in that cruel manner again." Francis I., king of France, having a persuasion that, because the Jews were the most skilful physicians of that day, the virtue was in the Jew, and not in the science which he professed, sent to Charles V. of Spain for a Jewish physician; but finding that the man who arrived had been converted to Christianity, he refused to employ him, thinking the virtue of healing had therefore departed from him. A statute of Henry VIII. says, "For as much as the science and cunning of physic and surgery is daily within this realm exercised by a great multitude of ignorant persons, of whom the greater part have no insight in the same, nor in any other kind of learning: some, also, con no letters on the book, so far forth, that common artificers, as smiths, and weavers, and women, boldly and accustomably, take upon them great cures, in which they partly use sorcery and witchcraft, partly apply such medicines to the disease as be very noxious, and nothing meet, to the high displeasure of God, great infamy to the faculty, and the grievous damage and destruction of diverse of the king's people." When such ignorance prevailed, diseases of the slightest kind must have been very often fatal; and the power of all men to labour profitably must have been greatly diminished by the ravages of sickness. These ravages are now checked by medical science and medical labour.