Arcana Coelestia #8612
8612. Held up his hands. That this signifies the upholding of the power of the fighting truth, is evident from the signification of “hands,” as being power (see n. 878, 4931-4937, 7518, 8050, 8153), here the power of the fighting truth which is represented by Joshua (n. 8595). That the upholding of the fighting truth is what is signified by “Aaron and Hur holding up the hands of Moses,” is because Joshua prevailed through the uplifting of the hands of Moses.
Arcana Coelestia #8050
8050. Because in strength of hand Jehovah led you forth from hence. That this signifies that they were liberated by the Divine power of the Lord, is evident from the signification of “strength of hand,” as being power, and when it is said of Jehovah, as being omnipotence (that “strength” denotes power is evident, as also that “hand” denotes power see n. 878, 3387, 4931-4937, 5327, 5328, 5544, 6947, 7188, 7189, 7518, 7673); and from the signification of “to lead forth,” as being to liberate. (That “Jehovah” denotes the Lord, see above, n. 8046)