This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...nd the world available to sensory perception, and of contemplating, instead, a “different” and “higher” reality, a realm inaccessible to reason and incommunicable in language, but attain
able by revelation, by special dialectical processes, by that superior state of intellectual lucidity known to Zen-Buddhists as “No-Mind,” or by death.
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There is only one realit
y — the reality knowable to reason. And if man does not choose to perceive it, there is nothing else for him to perceive; if it is not of this world that he is conscious, then he is not consci...