Following four years of involvement in nearly all elements of leadership, from identifying, qualifying, training, developing and consulting pioneers, to functioning, as a leader, for several associations (large and small), I have frequently been asked, what I believe, to be, the most important consideration of rule, of contributing effortlessly. I have detected, and heard, whether it is likely to train some one, and supply them with the needed and necessary abilities, to move, sensibly, an individual has to begin the process, with a particular kind of mindset, and also attitude. If this must be summed – up, only, and of course, it would be, an individual must be guided by the core principle, to do, what’s suitable! Bearing that in mind, this article will attempt to briefly examine, consider, and talk, with the mnemonic strategy, why understanding human nature. And/ or that which causes us do, that which we do, is most important and relevant. It is necessary to proceed in a righteous fashion, without having to be self – righteous! Just how might one understand what is relevant, until/ unless he pays keen attention, to both the advantages and flaws, and the positives, as well as negatives? Leading must concentrate on being responsive to needs, goals, priorities, and the assignment of this group! A leader is accountable for effective leadership preparation, and hunting tactical and action plans, together with sustainability, and achieving ramifications, as center components.