Practically anything he wrote or lectured sooner or later zeroes in on this very topic.

The rather-neat core notion is that if you try to use your brain to fool your brain, "improve" your brain, plead with your brain, or "understand the brain", you're chasing ghosts, shouting at the wind, snake chasing its tail, tooth biting itself, etc. There's something to that.. if only as an occasional sane reminder to ease up on oneself because however much you listen to or serve the "lazy / procrastinating" or the "virtuous / ambitious" or any other fragments of the mysterious inside machinery, whichever side "you" serve is never satisfied, infinitely greedy and keeps demanding more..