I have some problems with it too, I suppose I found the statement as having been there from the beginning and all, an echo of Christ, but between him and Goldberry, I came to see them more like "Mother Nature"...???
For a guy in his own sphere, he seemed very knowledgeable of things going on outside it, and "the nature of things" people, plants, other creatures.
I don't really know, I'm a recent convert to LOTR