620. Verse 10. And I took the little book out of the hand of the angel, and ate it up, signifies exploration. This is evident from the things that precede, namely, that "the little book" means the Word, "the angel" the Lord in relation to the Word, and "to devour or to eat it" means to receive, perceive, and appropriate to oneself, consequently to explore, here of what quality the understanding of the Word still is in the church. Exploration is effected by means of a thing's being perceived and the way in which it is perceived; it was effected with the prophet John, because a "prophet" signifies the doctrine of the church, and in a universal sense, the Word.

The internal meaning of “blood” is a little tricky. In most cases, blood is linked with Divine Truth and it’s relationship with the Lord. But in some cases, especially when discussing the first half of Genesis, the Works of Swedenborg link blood to a state of caring, or love to the neighbor. No absolute explanation is offered for this, but it’s worth noting that blood takes a number of forms in the body – it sometimes carries nutrients and oxygen, sometimes waste products, and sometimes nutrients and carbon dioxide. So it’s not unreasonable for blood to have different meanings in different contexts.