Conflict of interest is a social phenomenon unlikely to disappear, and potential recourse to violence and damage will always suggest itself if the conflict gets out of hand Man’s capability for self-destruction cannot be eradicated–he knows too much! Keeping that capability under control–providing incentives to minimize recourse to violence–is the eternal challenge.

Thomas C. Schelling and Morton H. Halperin, Strategy and arms control, Washington, 1985, p. 5