These two produce control of the emotional body and therefore of desire, and control of the mental body, and therefore of lower manas or mind. The student should remember that uncontrolled desire and an unregulated mind shut off the light of the soul and negate spiritual consciousness. Union is impossible as long as the barriers exist, and the Master therefore directs the attention of the student (at the beginning of his instruction) to the practical work to be done in liberating this light so that it may "shine forth in a dark place;" i. e., on the physical plane. It should be borne in mind that, occultly speaking, when the lower nature is controlled it can manifest the higher. When the second aspect of the lower personal self, the emotional body, is subjugated or transmuted then the Christ light (the second aspect egoic) can be seen. Later, in its light, the Monad, the Father, the One, will stand [10] revealed. Equally, when the first aspect of the lower personal self, the mental body, is restrained, then the Will aspect of the ego can be known, and through its activities, the purpose of the Logos Himself will be cognized.

The chitta is the mind, or mind-stuff, the mental body, the faculty of thought and of thought-form making, the sum total of the mental processes; it is the material governed by the ego or soul out of which thought forms are made.

The "psychic nature" is kama-manas (desire-mind), the emotional or astral body, tinged faintly with mind, and is the material clothing all our desires and feelings. Thereby they are expressed.