'Leaves' symbolize rational truths because a tree symbolizes a person, and every part of the tree symbolizes accordant elements in the person.

(Odkazy: Apocalypse Revealed 936; Arcana Coelestia 884, Genesis 8:11; Revelation 22:2)

867. 'Going back and forth' means that such was their state. This is clear from the falsities which reside with a person during the first and second states following temptation, that is to say, when falsities are flitting around back and forth. The reason why falsities do so has been given already; in these states a person knows and is capable of knowing only the very general concepts of things. Into these concepts flow delusions deriving from things of the body, the senses, and the world, which do not agree with the truths of faith.