This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...decisions, form any convictions or seek any values out of context, i.e., apart from or against the total, integrated sum of one’s knowledge — and, above all, that one must never seek to get
away with contradictions. It means the rejection of any form of mysticism, i.e., any claim to some nonsensory, nonrational, nondefmable, supernatural source of knowledge. It means a commitment t
o reason, not in sporadic fits or on selected issues or in special emergencies, but as a permanent way of life.
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The virtue of Productiveness is the recognition of the fact that pro...