Lou Holtz isn't simply reminding us that discipline matters—he's making a starker claim: that talent, timing, and opportunity are genuinely insufficient without it. The word "impossible" eliminates the comfortable middle ground where we imagine partial success or lucky breaks might compensate for inconsistency. Consider the musician who practices sporadically versus daily: the second person doesn't just improve faster, but develops the capacity to *recognize and seize* opportunities the first person would miss entirely. Holtz understood that self-discipline isn't the price of success—it's the very mechanism by which we become the sort of person success actually chooses.