Here he begins to define the sacraments in general, and it is divided into two parts: in the first, he defines the sacraments in themselves; in the second, he divides the sacraments into their parts, at: a sacrament consists of two elements.
Et circa haec, duo facit: primo ostendit differentiam inter sacramenta veteris et novae legis; secundo determinat de quodam sacramento veteris legis, quod maxime cum sacramentis novae legis communicat, ibi: fuit autem inter illa sacramenta sacramentum quoddam, scilicet circumcisionis, idem conferens remedium contra peccatum quod nunc baptismus praestat.