This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
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The virtue of Rationality means the recognition and acceptance of reason as one’s only source of knowledge, one’s only judge of values and one’s only guide to action. It means one�
��s total commitment to a state of full, conscious awareness, to the maintenance of a full mental focus in all issues, in all choices, in all of one’s waking hours. It means a commitment to th
e fullest perception of reality within one’s power and to the constant, active expansion of one’s perception, i.e., of one’s knowledge. It means a commitment to the reality of one’s own ...