Arcana Coelestia #4401
4401. And he erected there an altar. That this signifies interior worship, is evident from the signification of “erecting an altar,” as being worship. For an altar was the principal representative of the Lord (see n. 921, 2777, 2811), and hence also the principal thing in worship. By worship is here meant interior worship from the Divine Spiritual, which subject now follows.
Arcana Coelestia #533
533. As nothing more is related concerning Lamech than that he begat sons and daughters, which are the conceptions and births of such a church, we shall dwell no longer on the subject. What the births were, or the “sons and daughters” appears from the church; for such as is the church, such are the births from it. Both the churches called “Methuselah” and “Lamech” expired just before the flood.