"He who knows how will always work for he who knows why"

David Lee Roth’s insight draws a distinction between two types of knowledge: the practical understanding of how to accomplish tasks and the deeper comprehension of underlying purposes or motivations. The phrase distinguishes the technician, the person skilled in methods and procedures, from the visionary or strategist who grasps overarching goals or reasons. Those who "know how" have the expertise to execute specific duties efficiently, perhaps operating machinery, programming software, or following procedural steps. They excel in the practical, tangible application of skills.

On the other hand, the individual who "knows why" possesses a broader, often more abstract perspective. Understanding the "why" means recognizing the rationale behind certain tasks: why a process matters, why a product exists, why a company wants to pursue a particular path. This type of insight is associated with leadership, entrepreneurship, and innovation because it involves setting direction, defining meaning, and inspiring others.

The distinction reflects a hierarchy of influence and control within organizations and society at large. Those who understand "why" are equipped to articulate vision, define values, and make strategic decisions that shape collective action. Conversely, those who understand only "how" may become skilled operatives or specialists but are often directed by someone else’s vision or strategy.

Roth’s observation suggests that mastery of procedures alone can lead to dependence on those with a broader conceptual grasp. It underscores the idea that true empowerment and autonomy come from not just knowing the mechanics but also understanding the motives and goals that drive action. Those who connect their practical abilities with greater purpose can rise beyond mere execution, influence outcomes, and lead others. It serves as both a call for intellectual curiosity and a reminder that real progress and leadership stem from continuously seeking reasons and meanings, not just methods.