This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...��s nature for his proper survival. If man is to live on earth, it is right for him to use his mind, it is right to act on his own free judgment, it is right to work for his values and to keep t he product of his work. If life on earth is his purpose, he has a right to live as a rational being: nature forbids him the irrational.” (Atlas Shrugged .)

To violate man’s rig
hts means to compel him to act against his own judgment, or to expropriate his values. Basically, there is only one way to do it: by the use of physical force. There are two potential violators ...
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