“…The dangers that people living in a modern society need to face are far more varied than those they previously encountered at any time in history. This is why everyone must be familiar with such standard first aid techniques as resuscitation, checking the pulse rate and breathing, giving heart massage and arranging people in a stable recovery position. …”

“…In an industrialized civilization, intensive production threatens our environment more than it has ever done at any point in history. Man is responsible for the harmful effects of his activities. …”

“…The invention of weapons of mass destruction has added a new dimension to the twentieth-century history of warfare. The defensive forces had to face a new type of peril, the firestorm. …”

“…The Second World War cost more civilian lives than any natural disaster or war had done previously throughout history. For this reason, it is important to develop an adequate air defense system. …”