The word endure often leads to a miserable line of thought. From the thesaurus we fine: "undergo", "cope with", "deal with", "face", "suffer", "tolerate", "put up with", "brave", "bear", "withstand", "sustain", "weather" and then in a slightly more upbeat tone, but still kind of dismal we can continue in that same way to find "go through", "live through" and "experience".
When I first think about enduring to the end and try to think about it in an upbeat practical way the first thought that comes to mind has to do with training for an endurance sport. Like, doing an Ironman marathon. But, I mean... come on, look at me... This thought creates all kinds of other feelings inside.
We have to try a little harder than that to find a better meaning to attach to this idea of Enduring to the end. If we stop at the surface level, I think that most of us would tend to think "That's too hard" and turn to an easier path. It is mankind's tendency after-all to follow the path of least res