UN General Assembly
1962

185. When the scientists and military leaders of one Power discover that the opposing Power has gained important information or made technical and scientific progress in the direction of perfecting nuclear weapons or defence against them, and when they argue that this entails a nuclear imbalance or a military advantage, the Governments of both Powers will be unable to resist the scientific and military pressures which impel them to answer tests with tests, and so on ad infinitum. 186. Who or what would then be able to halt them in their downward course?