Emerson isn't simply contrasting the lazy with the disciplined—he's identifying two different ways of understanding the world itself. A shallow person doesn't lack effort; they lack *conviction* that their efforts matter, so they attribute outcomes to fortune rather than their own agency. What makes this cut deeper than a motivational platitude is recognizing that believing in cause and effect requires a kind of intellectual courage: you must accept responsibility not just for your successes, but for your failures too. A young person who blames a rejection letter on bad timing protects their ego, but they've also surrendered the ability to improve their application next time; the person who traces the rejection to specific weaknesses in their materials has already begun the harder, more rewarding work of becoming stronger.