The quote "It is my task always to know, particularly when I don't" from Gore Vidal's book on Lincoln emphasizes the importance of knowledge and self-awareness. It suggests that an effective leader should constantly strive for understanding, particularly in areas of uncertainty. This reflects the complexities leaders face when making decisions, highlighting the necessity to seek information proactively.

Additionally, this quote encapsulates a key aspect of leadership: the humility to recognize one's limitations. Vidal presents Lincoln as a figure who navigated the turbulent political landscape with a commitment to understanding the challenges he faced. This perspective encourages continuous learning and acknowledgment of the gaps in one's knowledge, essential traits for any successful leader.