In this conversation, guests Colin Kahl, Under Secretary of Defense for Policy; Mira Rapp-Hooper from the National Security Council; and Derek Chollet, Counselor of the State Department, reflect on the extraordinary legacy of Robert Jervis, their mentor. They share insights on Jervis's unique mentorship that combined psychological insights with policy analysis. The discussion touches on his approach to humility in scholarship, the importance of recognizing cognitive biases in leadership, and his influential theories on signaling in international relations.