After more than four years of participation in nearly all aspects of direction, by identifying, qualifying, training, consulting and developing pioneers, to serving, as a leader, for all associations (small and large), I’ve often been asked, what I think, to be, the most important factor of rule, of contributing effectively. I have detected, and heard, whether it’s possible to train someone, and furnish them, with the needed and necessary abilities, to proceed, sensibly, one has to start the procedure, using a certain sort of mindset, and also attitude. In case that had to be summed – up, only, and of course, it would be, one must be guided by the core principle, todo, what’s proper! With that in mind, this article will try and briefly examine, consider, and discuss, using the mnemonic strategy, why understanding human nature. And/ or that which makes us do, that which we do, is most important and important. Righteous; relevant; reactive; responsible; ramifications: It is crucial that you move, at a righteous manner, without being self – righteous! Just how would you know what is relevant, until/ unless he pays keen attention, to both the strengths and weaknesses, and the advantages, in addition to negatives? Leading must focus on being attentive to demands, goals, priorities, and also the mission of this bunch! A leader is responsible for effective leadership planning, and hunting strategic and action plans, together with sustainability, and achieving consequences, as center components.