Following four years of involvement in the majority of aspects of leadership, from identifying, qualifying, training, developing and consulting pioneers, to functioning, as a leader, for several organizations (large and small), I’ve often been asked, what I believe, to be, even the most significant thing of rule, of contributing effortlessly. I have detected, and heard, whether it’s possible to train some one, and furnish them with the necessary and essential abilities, to move, wisely, one must start the method, having a particular kind of mindset, and attitude. In case this must be summed – up, simply, and essentially, it’d be, one has to be directed by the core principle, to do, what’s appropriate! Bearing that in mind, this article will attempt to briefly examine, consider, and discuss, together with the mnemonic approach, why understanding human nature. And/ or that which causes us do, that which we do, is most essential and important. Righteous; relevant; reactive; responsible; effects: It is crucial that you move, in a righteous fashion, without being self – righteous! How would you know what is relevant, until/ unless he pays keen attention, to both the strengths and weaknesses, and also the positives, in addition to negatives? Leading needs to concentrate on being attentive to demands, aims, priorities, and the assignment of this group! A leader is responsible for effective leadership planning, and seeking strategic and action plans, with sustainability, and achieving ramifications, as center components.