This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...— and only in an emergency.
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It is important to differentiate between the mles of conduct in an emergency situation and the mles of conduct in the normal conditions of human exist
ence. This does not mean a double standard of morality: the standard and the basic principles remain the same, but their application to either case requires precise definitions.
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...