After more than four decades of involvement in nearly all elements of direction, by identifying, qualifying, training, consulting and developing leaders, to functioning, as a leader, for all organizations (small and large), I have often been asked, what I think, to be, the most significant thing of principle, of leading effectively. I’ve discovered, and heard, whether it’s possible to coach somebody, and furnish them with the necessary and essential abilities, to move, wisely, one has to begin the method, with a specific sort of mindset, and attitude. In case this must be summed – up, simply, and essentially, it’d be, an individual must be guided by the core principle, to do, what’s RIGHT! Keeping that in mind, this article will try and briefly examine, consider, and talk, with the mnemonic approach, why understanding human nature. And/ or that which makes us do, that which we do, is important and relevant. It is vital to proceed, in a righteous manner, without being self – righteous! How could you understand what is relevant, until/ unless he pays keen attention, to the advantages and weaknesses, and also the positives, as well as drawbacks? Leading must concentrate on being responsive to demands, aims, priorities, and also the assignment of the bunch! A leader is responsible for effective leadership planning, and seeking tactical and action plans, together with sustainability, and achieving consequences, as center components.