Once we have a war there is only one thing to do. It must be won. For defeat brings worse things than any that... — Ernest Hemingway

Once we have a war there is only one thing to do. It must be won. For defeat brings worse things than any that can ever happen in war.

Author: Ernest Hemingway

Insight: There's a hardness to this idea that makes most of us uncomfortable, especially now. But Hemingway's point isn't really about glorifying combat—it's about the arithmetic of consequences. Once you're truly locked in a conflict, whether it's literal war or any irreversible situation, backing out halfway through often creates more damage than pushing through to some kind of resolution. A failed war leaves power vacuums, unfinished business, and the certainty that someone will exploit the chaos. The tricky part is that this logic can justify almost anything if you're not careful. It's dangerously easy to tell yourself you're "finishing what you started" when really you're just throwing good effort after bad. But there's something real underneath: sometimes the worst choice is the middle path, the half-measure. A messy victory at least closes a door. An abandoned conflict just leaves it creaking open. The harder question Hemingway leaves us with is recognizing which situations actually demand this kind of commitment and which ones just benefit from our stubborn refusal to quit. That distinction matters everything. Not every fight that's started deserves to be finished, but the ones that do need people willing to see them through, consequences and all.

Source: Introduction to Men at War, 1942