This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
... freedom to take all the actions required by the nature of a rational being for the support, the furtherance, the fulfillment and the enjoyment of his own life. (Such is the meaning of the right to life, liberty and the pursuit of happiness.)

The concept of a “right” pertains only to action — specifically, to freedom of action. It means freedom from physical compuls
ion, coercion or interference by other men.

Thus, for every individual, a right is the moral sanction of a positive — of his freedom to act on his own judgment, for his own goals...
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