This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
... a blind robot, operated by unknowable demons (by one’s stale evasions), a robot knocking its stagnant brains out against the walls of reality which it refuses to see.

This is th
e fallacy inherent in hedonism — in any variant of ethical hedonism, personal or social, individual or collective. “Happiness” can properly be the purpose of ethics, but not the standard. The task of ethics is to define man’s proper code of values and thus to give him the means of achieving happiness. To declare, as the ethical hedonists do, that “the proper value is whatever...
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