After more than four years of participation in the majority of parts of leadership, from identifying, qualifying, training, developing and consulting leaders, to serving, as a pioneer, for all organizations (small and large), I’ve frequently been asked, what I consider, to be, even the most important consideration of principle, of contributing effectively. I’ve detected, and heard, while it is possible to train some one, and furnish them with the needed and necessary skills, to move, sensibly, one must start the procedure, with a specific sort of mindset, and also attitude. If this must be summed – up, simply, and of course, it would be, one must be directed by the core principle, to do, what’s perfect! Keeping that in mind, this article will try and briefly examine, consider, and talk, together with the mnemonic strategy, why understanding human nature. And/ or that which causes us, that which we do, is crucial and important. It is vital to proceed in a righteous fashion, without being self – righteous! How would one understand what’s relevant, until/ unless he pays keen attention, to the advantages and flaws, and also the advantages, in addition to drawbacks? Leading must concentrate on being responsive to demands, goals, priorities, and also the mission of this bunch! A leader is responsible for effective leadership planning, and seeking strategic and action plans, together with sustainability, and achieving consequences, as core components.