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Physicall Remedies or Medicines, should both expell the disease, and strengthen natu〈…〉〈…〉.
HEnce came that infallible Rule of Physicians, Contraries are cured by their Contraries. For Con∣traries, by the consent of all Philo∣sophers, expell and drive out one an∣other,
therefore it is necessary, that those Medicines which take away the Disease, be repugnant and con∣trary to the Disease: and for the same reason▪ they must be auxilia∣ries and consentaneous to our na∣ture. Upon which very considera∣tion, that famous principle of the Hermetists is grounded: Every like is cured by its like. Therefore Medicines, as they respect, or look to the Hypostatical principles, ought al∣so to have some correspondence with the nature of the disease, but in their Energie and effect, they must be ad∣versant and quite opposite. Thus the stone which proceeds from Tartar, or coagulated Salt, is cured by Salt, but it must be Analyticalor resolvent salt. The Joynt-gout also which proceeds from Tartareous, sharp and corro∣sive Salts, is cured by lenitive and consolidating Salts. In like manner, sulphureous Diseases must be cured by their proper and specificall sul∣phurs:
but to inflammatory sulphur that causeth Feavers, we must op∣pose acid, Vitriolated sulphur, which is a most effectuall cooler, and will coagulate and allay those incensed sulphureous spirits. Whence followes this Consequence.
That some Medicines may be corro∣sive, without any danger or preju∣dice.
But with this Caution, that they be so qualified, as not to work upon the innate, radical Balsame, but on∣ly upon that Extrarious malignant matter, which is the conjoyn'd and apparent cause of the Disease.