Hillary's wisdom cuts against the romance of mountaineering—the flags planted and records broken—to identify the true opponent as internal resistance: doubt, fatigue, the voice suggesting you turn back. When a parent returns to school after decades away, they're not really fighting the algebra; they're wrestling with old shame about their intelligence. The distinction matters because it reframes failure as useful information about our own limits rather than evidence of worthlessness, and success as proof we can choose differently next time.