Anthroposophical Guidelines - 77
- 77. If one wishes to evoke a mental image of the second hierarchy (Kyriotetes, Dynameis, Exusiai), one must try to form images in which the spiritual is manifested not in sense-perceptible forms, but in a purely spiritual way. The spiritual in non-sense perceptible, purely spiritual imagery must be the content of thoughts about the second hierarchy.
102. At the moment during sleep in which the astral body and the I sever their relation to the etheric body's thoughts, they enter into relation with "karma" to envisioning the events throughout repeated earth-lives. This envisioning is not open to normal consciousness - [unless] a super-sensible consciousness enters it.