Following four decades of participation in the majority of parts of leadership, from identifying, qualifying, training, developing and consulting pioneers, to serving, as a leader, for several organizations (large and small), I have often been asked, what I consider, to be, even the most important consideration of rule, of contributing effectively. I have detected, and heard, whether it’s possible to teach someone, and furnish them, with the necessary and essential abilities, to proceed, sensibly, one must start the process, with a particular kind of mindset, and attitude. If this must be summed – up, only, and of course, it’d be, an individual must be directed by the heart principle, to do, what’s perfect! With that in mind, this guide will attempt to briefly examine, consider, and talk, using the mnemonic approach, why understanding human nature. And/ or what causes us do, what we do, is important and important. Righteous; important; reactive; responsible; consequences: It is important to proceed, at a righteous fashion, without being self – righteous! Just how would you know what is relevant, until/ unless he pays keen attention, to both the advantages and flaws, and the positives, in addition to drawbacks? Leading needs to concentrate on being attentive to demands, goals, priorities, and the mission of this group! A pioneer is accountable for effective leadership preparation, and hunting strategic and action plans, with sustainability, and understanding consequences, as center components.