also, i interpret "i push things out through my mouth and get refilled through my ears" as isaac brock sings, and therefore releases his thoughts into the world through his music. it is a continual, nonstop process because he is always listening to other's opinions and interested in theories other than his own, explained in "i get refilled through my ears," and the process continues, he learns more about the world, and writes more music.
also, i interpret "i push things out through my mouth and get refilled through my ears" as isaac brock sings, and therefore releases his thoughts into the world through his music. it is a continual, nonstop process because he is always listening to other's opinions and interested in theories other than his own, explained in "i get refilled through my ears," and the process continues, he learns more about the world, and writes more music.