“In the extreme, the capacity for reinvention comes to resemble eternal youth – a kind of vigor, openness, and an enduring capacity for wonder that is the antithesis of stereotyped old age . . . this [is a] quality, a delight in lifelong learning, which every leader displays, regardless of age . . . it’s an appetite for learning and self-development, a curiosity and passion for life.”
Bennis, Warren, and Thomas, Robert, “Crucibles of Leadership” in HBR’s 10 Must Reads on Leadership (2011). Harvard Business Review Press: Boston, MA.