When we can enter into a condition without thought and remain present and awake in that experience for extended periods of time – we know that the relationship with thought has undergone a radical change. p51, Shock Amazement: The four naljors and four ting-ngé’dzin from the Dzogchen series of the nature of Mind. Khandro Déchen and Ngakpa Chögyam, Aro Books Worldwide, 2018, ISBN 978-1-898185-45-1