There are only a few bony concepts, but think of the metaphors!
For him, God was always there, like an ugly wife.
I am reading Straw for the Fire, excerpts from Roethke's notebooks. Here's a paragraph where he was on crazy roll:
Get down where your obsessions are. For Christ's sake, shake it loose. Make like a dream, but not a dreamy poem. The past is asking. You can't go dibble-dabble in your tears. The fungi will come running; the mould will begin all over the noble lineaments of the soul.
(it goes on too)