Arcana Coelestia#7919
7919. And dip it in the blood. That this signifies the holy truth which is of the good of innocence, is evident from the signification of “blood,” here the blood of a lamb, as being the holy truth of the good of innocence (of which above, n. 7846, 7877). (What the truth of the good of innocence is, see n. 7877)