We cannot here analyze the entire contradictory and tragic history of the events of the last twenty years, in the course of which the Arabs and Israe… - Andrei Sakharov

The problem of geohygiene (earth hygiene) is highly complex and closely tied to economic and social problems. This problem can therefore not be solved on a national and especially not on a local basis. The salvation of our en­vironment requires that we overcome our divisions and the pressure of temporary, local interests. Otherwise, the Soviet Union will poison the United States with its wastes and vice versa.

I foresee a universal information system (UIS), which will give everyone access at any given moment to the contents of any book that has ever been published or any magazine or any fact. The UIS will have individual miniature-computer terminals, central control points for the flood of information, and communication channels incorporating thousands of artificial communications from satellites, cables, and laser lines. Even the partial realization of the UIS will profoundly affect every person, his leisure activities, and his intellectual and artistic development. ... But the true historic role of the UIS will be to break down the barriers to the exchange of information among countries and people.

Three technical aspects of thermonuclear weapons have made thermonuclear war a peril to the very existence of humanity. These aspects are: the enormous destructive power of a thermonuclear explosion, the relative cheapness of rocket-thermonuclear weapons, and the practical impos­sibility of an effective defense against a massive rocket-nuclear attack.