Paths to Knowledge of Higher Worlds
Such concepts can be obtained from an experienced spiritual-scientific investigator, or in some other way we may seek to develop concepts which do not live in our memory. They are set in the centre of consciousness, and we then concentrate upon them with the whole life of our soul, with all our power of concentration. Our attention is turned away from everything else, and for a certain space of time which must not be too long, we try to concentrate ourselves upon such a concept, or complex of concepts.
Read this passage in another edition
DEoriginalENEnglish