2186. And he stood before them under the tree. That this signifies the derivative perception, follows from the signification of a “tree,” as being perception (see n. 103, 2163). It has been already stated (verse 4), that the three men who came to Abraham lay down under a tree, by which was signified that the Divine approached the perception of that state in which the Lord then was. But it is here said that Abraham stood under the tree, by which is signified that the Lord approached Divine perception, after He had prepared Himself; and this is the reciprocality. Everyone can see that it is not without a cause, that mention is made of the three men and of Abraham standing under a tree, consequently that it was said for the sake of the arcana which lie hidden in these things.

56. Verse 29. And God said, Behold, I give you every herb bearing seed which is upon the faces of all the earth; and every tree in which is fruit; the tree yielding seed, to you it shall be for food. The celestial man is delighted with celestial things alone, which being in agreement with his life are called celestial food. The spiritual man is delighted with spiritual things, and as these are in agreement with his life they are called spiritual food. The natural man in like manner is delighted with natural things, which, being of his life, are called food, and consist chiefly of memory-knowledges. As the spiritual man is here treated of, his spiritual food is described by representatives, as by the “herb bearing seed” and by the “tree in which is fruit” which are called, in general, the “tree yielding seed.” His natural food is described in the following verse.