Movies have to handle time very efficiently. They're about stringing scenes together in the present. Novels aren't necessarily about that.
Other people say: hold on, if he's carrying the entire universe in a sack, right, that means he's carrying himself and the sack the sack, because the universe contains everything. Including him. And the sack, of course. Which contains him and the sack already. As it were.To which the reply is: well?