This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
... moralist who would be prepared to tell that husband the opposite. (And then ask yourself whether altruism is motivated by benevolence.)
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The proper method of judging when or whethe
r one should help another person is by reference to one’s own rational self-interest and one’s own hierarchy of values: the time, money or effort one gives or the risk one takes should be pr
oportionate to the value of the person in relation to one’s own happiness.
To illustrate this on the altruists’ favorite example: the issue of saving a drowning person. If the ...