Well, although I’m usually a fan of Lucas’ work, in this case I can only disagree with him. As I have already explained elsewhere, I don’t share his view about the Jedi and Anakin’s fall, because I think that the Jedi philosophy was inherently flawed and that Anakin doesn’t deserve to be blamed for what happened. That said, I think what you highlighted is simply a coincidence. I mean, the same reasoning could be applied to Anakin and Padmé’s respective last words. Padmé’s last words were: “I know there is good in him, I know there is, still”, while Anakin’s last words were: “You were right”. Well, put this way, it could almost feel like a connection, when in reality it’s simply a coincidence. The fact that there are sentences that casually rhyme within the movies doesn’t mean that there is a real connection between them. These are just coincidences, and to derive an entire explanation/theory from them is at least exaggerated in my opinion.