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The Epistle of Diocles vnto king Antigonus, vvhich teacheth a man to preserue himselfe in health.
IN so muche as your grace being now somewhat runne in years (most noble Prince Antigonus) is endowed with knowlege aboue other kings and that in all parts of philo∣sophy & the arts called Mathematical, wher in your grace hath wonderfully profited: I thought that parte of Philosophie whiche teacheth a manne to preserue hymselfe in health not worthy to be despised and lefte vntouched of your regall maiestie, where∣fore I thought it necessary to declare vnto youre maiestie in this Epistle, the causes of diuers diseases, with the sygnes and to∣kens whiche go before the same, and last of all the remedies where with the same may be healed and cured: for lyke as there is no raging and hideous tempest without some manifest and open sygnes whyche declar•• the same to folow, wherby men which haue knowledge and be learned in the Arcane