Following four decades of involvement in the majority of aspects of leadership, by identifying, qualifying, training, consulting and developing pioneers, to serving, like a pioneer, for all associations (large and small), I’ve frequently been asked, what I believe, to be, the most important consideration of principle, of contributing effortlessly. I have detected, and heard, while it is likely to teach some one, and supply them with the necessary and essential skills, to move, wisely, an individual must start the process, with a specific kind of mindset, and attitude. If this must be summed – up, only, and essentially, it would be, one has to be guided by the core principle, to do, what’s suitable! Keeping that in mind, this guide will attempt to briefly examine, consider, and talk, using the mnemonic approach, why understanding human character. And/ or that which makes us, what we do, is essential and important. Righteous; important; reactive; responsible; consequences: It’s important to move, in a righteous manner, without being self – righteous! How would one know what’s relevant, until/ unless he pays keen attention, to both the advantages and weaknesses, and the advantages, as well as negatives? Leading needs to focus on being attentive to demands, aims, priorities, and the mission 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.