Following four years of participation in nearly all parts of leadership, by identifying, qualifying, training, consulting and developing pioneers, to serving, as a pioneer, for all associations (small and large), I’ve often been asked, what I believe, to be, the most significant thing of rule, of leading effectively. I have discovered, and learned, while it is likely to coach somebody, and supply them, with the necessary and essential skills, to move, sensibly, an individual has to begin the process, having a specific type of mindset, and attitude. If this must be summed – up, only, and essentially, it would be, one has to be directed by the heart principle, todo, what’s proper! Bearing that in mind, this article will try and briefly examine, consider, and discuss, with the mnemonic approach, why understanding human nature. And/ or what makes us, what we do, is most important and important. It is necessary to proceed in a righteous fashion, without having to be self – righteous! How could you understand what is relevant, until/ unless he pays keen attention, to the advantages and flaws, and the positives, in addition to negatives? Leading must focus on being attentive to demands, aims, priorities, and also the assignment of the group! A pioneer is responsible for effective leadership preparation, and hunting tactical and action plans, together with sustainability, and understanding consequences, as core components.