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We say this so that no one may lose their money: for some who are deceived by the slowness of their understanding, and who come to poverty, should not lead others astray and drive them to poverty and misery. I advise, however, that no one enter into this art to find it: for it A. has made too many into fools and led them into great folly: this invention does not require many things, but only one thing. It also does not require great cost: for it is only one Stone, one Medicine, one Vessel, one Regimen, and one Order; and know that it is a true, and the truest Art. Also, the philosophers would never have taken the pains to express so many and various kinds and orders of colors...