Ok, to continue your (excellent) mountain-climbing analogy, the ultimate goal is to climb the mountain and return safely. Encountering potentially fatal difficu

Ok, to continue your (excellent) mountain-climbing analogy, the ultimate goal is to climb the mountain and return safely. Encountering potentially fatal difficulties near the summit will result in you turning back to retry later if you are "determined" to reach the ultimate goal. If you willfully abandon the long-term goal of returning safely to achieve the "ambition" of reaching the summit, that's reckless rather than disciplined.