Re: "You think you'e the only one who can learn the strength to escape?"
last son, I think Bane's conversation with Bruce after they arrived at the Pit is the biggest support for this theory. He gets a haunted look when he talks about people climbing over one another to stay in the sun. Like the stuff he saw in the Pit lingered with him.
"I never asked for this crown. Gold is cold and heavy on the head, but so long as I am the king, I have a duty … If I must sacrifice one child to the flames to save a million from the dark … Sacrifice … is never easy, Davos. Or it is no true sacrifice." - Stannis Baratheon