"Look within: thou art Buddha," the great Gautama revealed to his maturer disciples. "The kingdom of heaven is within you," the sublime Jesus told his hearers. And several others, less known and less influential, have turned men's minds in the same direction. But even this inner work on meditation is not enough unless it leads to a deepening that plumbs the living silence.
-- Notebooks Category 4: Elementary Meditation > Chapter 1: Preparatory > # 187