9374. Thou and Aaron. That this signifies the Word in the internal sense and the external sense, is evident from the representation of Moses, as being the Word (of which above, n. 9372). But when Aaron, who was his brother, is joined to him, then Moses represents the Word in the internal sense, and Aaron the Word in the external sense (as also above, n. 7089, 7382).
Arcana Coelestia #8057
8057. That thou shalt serve this service in this month. That this signifies unceasing worship of the Lord on account of liberation, is evident from the signification of “service” as being worship (see n. 7934); and from the signification of “month,” as being the end of a former state and the beginning of a new one; and of “the month Abib,” as being the beginning from which are all following states (n. 8053); consequently by “month” is signified also what is unceasing.