This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
... emergency is an unchosen, unexpected event, limited in time, that creates conditions under which human survival is impossible — such as a flood, an earthquake, a fire, a shipwreck. In an emer
gency situation, men’s primary goal is to combat the disaster, escape the danger and restore normal conditions (to reach dry land, to put out the fire, etc.).
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By “normal” con
ditions I mean metaphysically normal, normal in the nature of things, and appropriate to human existence. Men can live on land, but not in water or in a raging fire. Since men are not omnipotent...