Hinduism
The Doctrine and Practice of Yoga Including the Practices and Exercises of Concentration, both Objective and Subjective, and Active and Passive Mentation, an Elucidation of Maya, Guru Worship, and the Worship of the Terrible, also the Mystery of Will-Force
say, 'You, my mind, are quite _pure_.' Think of this word (with all the ideas associated therewith) as sinking deeply into your mind and making a deep impression upon it as a die upon a wax. Let the outward form of the words 'pure,' 'fearless,' etc., sink into your mind.