This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...d by nothing but one’s emotional whims. Emotions are not tools of cognition; to be guided by whims — by desires whose source, nature and meaning one does not know — is to turn oneself into
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.
read full book
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. ...