I mean, first, almost all writers these days teach because they don't make enough money publishing to live on, to support themselves - people like Tobias Wolff, Anne Beattie, Amy Hempel, Stuart Dybek; a lot of short story writers, for one thing.
The symbolic view of things is a consequence of long absorption in images. Is sign language the real language of Paradise?
My opinion is that a poet should express the emotion of all the ages and the thought of his own.