Crushing your enemy, seeing them driven before you and hearing the lamentations of their women is victory (e.g. Larry Ellison). $170 million is retirement.
While some management "self help" books use war as a metaphor for business, business isn't really war. The Genghis Khan quote you used might be appropriate for a medieval era barbarian general, not so much a businessman in the 21st century.
"Victory" for a startup is meetings its founders'/investors' goals. No more no less.
You think? ;-)
And where did Robert E Howard get it from? Ole Genghiz said this a looong time ago. Look it up.
Hell, I was only there for the canapes...