Arcana Coelestia #4090
4090. Where thou anointedst a pillar. That this signifies where the good of truth is and its boundary, is evident from the signification of a “pillar,” as being a holy boundary, and thus the ultimate of order, and therefore truth (n. 3727); and from the signification of “anointing” (that is, of pouring oil upon the head of the pillar, which was done by Jacob), as being to make truth good (n. 3728).
Numbers 23:14-18
14
He took him into the field of Zophim, to the top of Pisgah, and built seven altars, and offered up a bull and a ram on every altar.
15
He said to Balak, "Stand here by your burnt offering, while I meet [Yahweh] yonder."
16
Yahweh met Balaam, and put a word in his mouth, and said, "Return to Balak, and say this."
17
He came to him, and behold, he was standing by his burnt offering, and the princes of Moab with him. Balak said to him, "What has Yahweh spoken?"
18
He took up his parable, and said, "Rise up, Balak, and hear! Listen to me, you son of Zippor.