Ken Wilber - Collected Quotes

"The ultimate metaphysical secret, if we dare state it so simply, is that there are no boundaries in the universe. Boundaries are illusions, products not of reality but of the way we map and edit reality. And while it is fine to map out the territory, it is fatal to confuse the two." (Ken Wilber, "No Boundary: Eastern and Western Approaches to Personal Growth", 1979)

"There is, for instance, a way to test the truth-value of a mathematical theorem, but this test is based, not on sensory evidence, but on mental evidence, namely, the inward experience of the mental coherence of the train of logical propositions, an inwardly-experiential coherence that can be checked by the minds of other equally trained mathematicians […]" (Ken Wilber, “Quantum Questions”, 1984)

"[…] all valid knowledge consists in making maps of the empirical world, the single and simple ‘pregiven’ world. And if the map is accurate, if it correctly represents, or corresponds with, the empirical world, then that is ‘truth’." (Ken Wilber, "A Brief History of Everything", 2007) 

"But notice, a subatomic particle is itself a holon [hole/parts]. And so is a cell. And so is a symbol, and an image, and a concept. What all of those entities are, before they are anything else, is a holon. So the world is not composed of atoms or symbols or cells or concepts. It is composed of holons." (Ken Wilber, "A Brief History of Everything", 2007) 

"Truth, in the broadest sense, means being attuned with the real." (Ken Wilber, "A Brief History of Everything", 2007)