'''War was a sure safeguard of sanity, and so far as the ruling classes were concerned it was probably the… — George Orwell

'''War was a sure safeguard of sanity, and so far as the ruling classes were concerned it was probably the most important of all safeguards. While wars could be won or lost, no ruling class could be completely irresponsible. But when war becomes literally continuous, it also ceases to be dangerous. When war is continuous there is no such thing as military necessity. Technical progress can cease and the most palpable facts can be denied or disregarded.

Source: Wikiquote · CC BY-SA 4.0