And thanne thilke thinge, that the blake cloude of errour whylom hadde y-covered, shal lighten more cleerly thanne Phebus him-self ne shyneth. Glosa. Who-so wole seken the deep grounde of sooth in his thought, and wol nat be deceived by false proposiciouns that goon amis fro the trouthe, lat him wel examine and rolle with-inne himself the nature and the propretees of the thing; and lat him yit eftsones examine and rollen his thoughtes by good deliberacioun, or that he deme; and lat him techen his sowle that it hath, by natural principles kindeliche y-hid with-in it-self, alle the trouthe the whiche he imagineth to ben in thinges with-oute. And thanne alle thederknesseof his misknowinge shalsememore evidently to sighte of his understondinge thanne the sonne ne semeth to sighte with-oute-forth.