Meditation (n.) is, in the alchemists' definition, an inner colloquy with one's good angel — the patient does it unknowingly when he argues with his archetypes.
Meditation (n.) turns the light of consciousness away from the world of the senses to illumine the darkness of the unconscious.
Meditation (n.) does not occur at all in the New Testament; there "thinking" mostly means the wicked thoughts of the heart.
Meditation (n.) was, among the alchemists, not cogitation but an inner dialogue with someone unseen — God, oneself, or one's good angel: a living relation to the answering voice of the other in us.
Meditation (n.) on their own psychic processes was the source of the alchemists' most important discoveries, as Petrus Bonus admitted, tormenting his thoughts with unlimited reflection until he beheld the substances.
Meditation (n.) was the alchemists' word for coming to terms with the unconscious, defined by Ruland as an inner talk with someone invisible, whether God, oneself or one's good angel.