So long as this enormous distrust of each other remains, so long will the desire for disarmament on both sides fail of realization. There is no likelihood that it will not continue to remain. Therefore if this failure is ever to be brought to an end, what cannot be reached by both sides agreeing together must be reached by one side acting alone. That is, the goal of full disarmament can only be reached by stages, and this is the first stage. It has some unsatisfactory and disconcerting features, it raises new doubts and fears, but all that is outweighed by the enormous gain of preventing a nuclear war.
-- Notebooks Category 11: The Negatives > Chapter 3: Their Presence in The World > # 460