This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
..., it is metaphysically possible for unforeseeable disasters to strike them, in which case their only task is to return to those conditions under which their lives can continue. By its nature, an
emergency situation is temporary; if it were to last, men would perish.
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It is only in emergency situations that one should volunteer to help strangers, if it is in one’s power.
For instance, a man who values human life and is caught in a shipwreck, should help to save his fellow passengers (though not at the expense of his own life). But this does not mean that after t...