St. Albert on sacrament and sacrifice

"This sacrament is profitable because it grants remission of sins; it is most useful because it bestows the fullness of grace on us in this life. 'The Father of spirits instructs us in what is useful for our sanctification.' And his sanctification is in Christ's sacrifice, that is, when he offers himself in this sacrament to the Father for our redemption to us for our use." From his commentary on the Gospel of St. Luke.