If fighting is sure to result in victory, than you must fight, even though the ruler forbid it; if fighting will not result in victory, then you must not fight even at the ruler's bidding. ↗
Vengeance is not the point; change is. But the trouble is that in most people's minds the thought of victory and the thought of punishing the enemy coincide. ↗
We used to root for the Indians against the cavalry, because we didn't think it was fair in the history books that when the cavalry won it was a great victory, and when the Indians won it was a massacre. ↗