Annotatio II §.IX (3): Sacraments are signs, not δοχεῖα containers — Augustine; baptism analogy
(3) No sacrament is a sign that contains the thing signified in its essence — sacraments are not containers enclosing what they signify (cask, purse, cradle), though Luther and Maulbronn use such likenesses.
Augustine: visible signs of invisible grace — a sign signifies; it does not contain corporally.
Hence Lutherans dare not say Christ’s blood is corporally in baptismal water.
Latin
(3) Naturæ omnium Sacramentorum, quorum nullum tale signum est, quod rem signatam, secundum suam essentiam, in sese comprehendat. i. e. corpus Christi corporaliter in se contineat: neque enim Sacramenta definiuntur δοχεῖα latibula & vasa includentia res signatas, uti dolium aut cantharus includit vinum, aut marsupium pecuniam, aut cunæ infantem, quibus similibus nonnulli utuntur, ipse etiam Lutherus in Confessione Majore Tom. 2. Witteb. pag. 185. confer etiam Colloquium Maulbrunense Anno 1564. die 15. April. habitum, p. 108. 109.; Sed definiuntur, juxta Augustinum, esse Signa visibilia invisibilis gratiæ. Signi autem natura non est, corporaliter continere, sed signare & significare. Hinc nec Lutherani audent hactenus dicere: Sanguinem Christi corporaliter in aqua Baptismi præsentem esse, vel in hac corporaliter includi.