The document discusses two key thoughts on leadership from the author's experience. The first is that personality is an unimportant factor in effective leadership, as the author has seen leaders of varying personalities succeed or fail. More importantly, an effective leader must have the ability to comprehend the "big picture" - understanding the vision, strategy, organization, people, and external factors. A leader is responsible for shaping all aspects and guiding subordinates, and this skill of comprehending the complex interrelations is critical and not innate, but learned through exposure to other leaders.