If the course suggested here offers great risks, as it does, it is justified by the incontestable fact that to hold inflexibly to the old one offers immeasurably greater risks of spilling death upon us all. The pattern of fighting in war has been followed since history began. It is a familiar one and was safe enough to follow in the past, for both antagonists survived. But now in this nuclear age, it has lost its safety, for both know that they are unlikely to survive a nuclear war. A new and unfamiliar pattern is needed and must be created, and that quickly. Time is running out.
-- Notebooks Category 11: The Negatives > Chapter 3: Their Presence in The World > # 462