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.
Hic venatur differentias: et primo unam differentiam communem omnibus sacramentis, quae est ut imaginem gerat; secundo aliam quae est propria sacramentorum novae legis, in quibus est perfecta ratio sacramenti, scilicet ut causa existat, ibi: sacramentum enim proprie dicitur, quod ita signum est gratiae Dei, et invisibilis gratiae forma, ut ipsius imaginem gerat et causa existat.