Most leadership development prepares leaders for pressure. Few address what happens when pressure exceeds the self that leads. The Courage to Cross is a Leadership Insight piece for operating leaders facing threshold conditions, the moments when strategy, role, body, relationship, or institution no longer holds, and the leader must work without the prior self as a reliable medium. The article distinguishes stress from rupture, describes the capacity to cross as the leadership work that begins where ordinary leadership reaches its limit, and develops holding, pathway, and reorganization as the three structural movements of threshold leadership. It includes witnessed cases drawn from the author's own work as a CEO: one leader who crossed and one who chose not to. Threshold leadership is named explicitly as a distinct framework, and the article points toward the academic canon (Morgan, 2026a, 2026b) for readers wanting fuller theoretical grounding. Keywords: leadership development, threshold leadership, identity rupture, the capacity to cross, holding, metabolization, pathway, reorganization under pressure, practitioner-scholar leadership, CEO formation