The logical movement of intellect must come to a dead stop before the threshold of reality. But we are not to bring about this pause deliberately or in response to the bidding of some man or some doctrine. It must come of its own accord as the final maturation of long and precise reasoning and as the culmination of the intellectual and personal discovery that the apprehension of mind as essence will come only when we let go of the idea-forms it takes and direct our attention to it.
-- Notebooks Category 20: What Is Philosophy? > Chapter 4: Its Realization Beyond Ecstasy > # 67
-- Perspectives > Chapter 20: What Is Philosophy? > # 45