2008, Eliza Mada Dalian, In Search of the Miraculous: Healing Into Consciousness,http://books.google.com/books?id=Ai_vshxkF2cC Expanding Universe Publishing, ISBN 978-0-9738773-2-8, page 91:
Ultimately, all frequencies unify into an unmoving state of zero frequency or vacuum. In other words, all seven sound vibrations or notes unify into silence; all thought frequencies (positive and negative) unify into no-thought or no-mind; and all seven colors of the rainbow unify into pure space that appears dark when it is invisible and as light when it is visible.