But even as Painters, not being able equally well to represent upon a flat all the severall facies of a solid body, chuse the principall of them, which they place towards the light; and shadowing the others, make them appear no more then they do to our sight: So, fearing lest I should not bring into this Discourse all which was in my thoughts, I onely undertook to set forth at large my conceptions touching the light;
hauek ezin dituzte koadro plano batean gorputz solido baten azal ezberdin guztiak zehaztasun berdinarekin irudikatu hori dela eta, nagusienetako bat aukeratzen dute bera eguargitan jarriz eta besteak itzalean, azkenok irudiari begiratzean ikusi ahal diren neurrian bakarrik agerrarazten dituztelarik. Era berean, beldur nintzenez ezingo ote nuen sartu nire dikurtsoan pentsamenduan neukan guztia, bakarrik argiari buruz bururatu nuena azaltzeari ekin nion zabalki;