Poetry essay

I am not exactly sure as to what I am going to write about quite yet. I really want to do something with "Do not go gentle into that good night" by Thomas and "Photograph of My Father in His Twenty-Second Year" by Carver. I think the parent relationships are similar in that they both have a great respect for their fathers. I'm still working it out though. I find that the tones of both poems are quite different. Maybe I can focus in on that.