This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...rests, but which are ignored or evaded in the above question and in all similar approaches to the issue. I shall designate these four as: (a) “Reality,” (b) “Context,” (c) “Responsibil
ity,” (d) “Effort.”
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(a) Reality. The term “interests” is a wide abstraction that covers the entire field of ethics. It includes the issues of: man’s values, his desires
, his goals and their actual achievement in reality. A man’s “interests” depend on the kind of goals he chooses to pursue, his choice of goals depends on his desires, his desires depend on...