This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
... hold an irrational or mystical view of existence. Which means: to deserve no further consideration.
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In choosing his goals (the specific values he seeks to gain and/or keep), a rat
ional man is guided by his thinking (by a process of reason) — not by his feelings or desires. He does not regard desires as irreducible primaries, as the given, which he is destined irresisti
bly to pursue. He does not regard “because I want it” or “because I feel like it” as a sufficient cause and validation of his actions. He chooses and/or identifies his desires by a proce...