This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...ot grant to mere acquaintances or strangers.

What, then, should one properly grant to strangers? The generalized respect and good will which one should grant to a human being in th
e name of the potential value he represents — until and unless he forfeits it.

A rational man does not forget that life is the source of all values and, as such, a common bond am
ong living beings (as against inanimate matter), that other men are potentially able to achieve the same virtues as his own and thus be of enormous value to him. This does not mean that he regar...
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