After more than four decades of participation in nearly all parts of leadership, by identifying, qualifying, training, consulting and developing leaders, to serving, as a leader, for several associations (large and small), I’ve frequently been asked, what I believe, to be, the most important consideration of principle, of leading efficiently. I have discovered, and learned, while it’s possible to teach someone, and supply them, with the necessary and essential skills, to proceed, wisely, one has to begin the process, with a specific sort of mindset, and also attitude. If that must be summed – up, simply, and of course, it would be, an individual must be directed by the core principle, todo, what’s perfect! With that in mind, this article will try and briefly examine, consider, and talk, with the mnemonic approach, why understanding human nature. And/ or that which causes us do, that which we do, is most essential and important. Righteous; important; responsive; responsible; consequences: It is important to move, in a righteous fashion, without having to be self – righteous! Just how might you know what’s relevant, until/ unless he pays keen attention, to the advantages and weaknesses, and the positives, as well as drawbacks? Leading must focus on being attentive to needs, aims, priorities, and the assignment of the bunch! A leader is responsible for effective leadership preparation, and hunting tactical and action plans, together with sustainability, and realizing consequences, as center components.