It's an interesting point but exceedingly simplistic, more so these days than ever before.
What about "the more you think in training", or "the more you learn in training"?
Don't get me wrong, I'm not denying the value of sweat (excerise, fitness, etc), I'm just saying it's not even close to the whole equation.
"Sweat" here is a standin for generic effort, whether it's actual physical sweat or not depends on what exactly you're training for.
Y'all know the rules: