I guess it is my fate every Ash Wednesday to hear that song I detest at Mass (I can't bring myself to call it a hymn). It seems to have become the standard for the occasion.
"The dreams not fully dreamt"? What does that even mean?!?
Attempting to be charitable, I'll say that I think I can see what the writer was trying to say, and there's a valid point in there, about offering our failures and faults to God along with everything else. And there's nothing at all wrong with the last verse. But really, some of the phrases in it have a physically unpleasant effect on me.
Perhaps appropriately, I just burned the piece of cheese toast that was my lunch. Maybe there's some kind lesson about ashes in that: if you didn't like those ashes, try these, Mr. Critic.