This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...ood will is replaced by contempt and moral condemnation. (If one values human life, one cannot value its destroyers.) If he finds them to be virtuous, he grants them personal, individual value a nd appreciation, in proportion to their virtues.

It is on the ground of that generalized good will and respect for the value of human life that one helps strangers in an emergency
— and only in an emergency.

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...
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