After more than four decades of involvement in nearly all parts of leadership, by identifying, qualifying, training, consulting and developing leaders, to serving, being a pioneer, for several organizations (large and small), I have often been asked, what I believe, to be, the most significant thing of principle, of contributing effectively. I have detected, and learned, whether it is likely to coach someone, and supply them, with the necessary and essential abilities, to proceed, wisely, an individual must begin the method, with a certain kind of mindset, and attitude. If this must be summed – up, simply, and essentially, it’d be, an individual has to be directed by the heart principle, to do, what’s proper! With that in mind, this guide will attempt to briefly examine, consider, and talk, together with the mnemonic strategy, why understanding human nature. And/ or what causes us do, that which we do, is most essential and important. It’s important to move, in a righteous manner, without being self – righteous! Just how might one know what’s relevant, until/ unless he pays keen attention, to both the strengths and flaws, and also the positives, as well as drawbacks? Leading must focus on being responsive to demands, goals, priorities, and also the mission of this group! A leader is responsible for effective leadership planning, and hunting tactical and action plans, together with sustainability, and achieving ramifications, as center components.