Therfore for this end, foure things would chiefly be observed in the choyse of wordes. First, that such wordes as wee use, should be proper unto the tongue wherein wee speake. Againe, that they be plaine for all men to perceive. Thirdly, that they bee apt and meete, most properly to set out the matter. Fourthly, that wordes translated, from one signification to another, (called of the Grecians Tropes,) be used to beautifie the sentence, as precious stones are sent in a ring to commend the gold.
Source: wiktionary