“They give birth astride of a grave, the light gleams an instant, then it's night once more.”
But now, perhaps being in a better place psychologically, I see 'Godot' as hope, and the boy as our subconscious telling us that we can go on, we must go on. Pozzo and Lucky don't really fit into this reading, but that's presumably Beckett's fault.
“There is man in his entirety, blaming his shoe when his foot is guilty.”
Be that as it may, the hat swap sequence in the first act inevitably leads one to think of two other geniuses: