Who expressed that ability alone is not sufficient to stay at the top?

The statement that "ability alone is not sufficient to stay at the top" is attributed to General Colin Powell. General Powell, a prominent military leader and former U.S. Secretary of State, highlighted the importance of qualities such as emotional intelligence, leadership, and personal character alongside technical competence and ability. His perspective is rooted in the understanding that success is not solely determined by one’s skills or intelligence but also by how individuals navigate relationships, lead teams, and inspire others.

This aligns with broader leadership principles emphasizing that effective leadership involves much more than just being capable; it requires the ability to connect with others, build trust, and maintain a sustained effort in both professional and personal development. The other figures mentioned may have made significant contributions in their own rights, but the specific sentiment expressed in the question is closely associated with Powell's views on leadership and effectiveness.