In Genesis 21:14, this signifies the state of wandering in the beginning, of people who have been introduced into the doctrinals of faith. (Arcana Coelestia 2679)

284. And they were full of eyes within, signifies Divine Providence and guard. This is evident from the signification of "eyes," as being, in reference to the Lord, His Divine Providence (See above, n. 68, 152). It signifies also guard, because that also is what is signified by "cherubim."