The two karmic streams of souls in Michael's School who alternate across the centuries and are meant to reunite within the Anthroposophical Movement.
In Steiner's reading of spiritual history, the Platonists and Aristotelians are two great companies of human souls who carry the Michael impulse in turn. One bears an older wisdom of inner vision, the other the sharp clarity of intellectual concept. Their long alternation across the post-Atlantean epochs sets the stage for their reunion in the present age.
The Platonists and Aristotelians in Anthroposophy are the two karmic streams of souls gathered in Michael's super-sensible School. Rudolf Steiner describes them in Karmic Relationships, Volume III (GA 237, 1924) as two groups of human individualities whose lives alternate across the post-Atlantean epochs. The Platonic stream carried an older, vision-born spirituality from the School of Chartres; the Aristotelic stream brought sharp conceptual thinking down through Scholasticism and the Dominican Order. Steiner places their meeting at the beginning of the 15th century, when both groups joined Michael in the Sun-sphere. Their shared task, he taught, is to reunite within the Anthroposophical Movement and prepare a renewed spirituality on earth, working together where for centuries they had taken turns.
In Steiner's Own Words
But all the others too were there, those whom I have named as belonging to the School of Chartres. United with them were the others who by now had returned to the life between death and a new birth, who had come back again from the Order of the Dominicans. Souls, therefore, belonging to the Platonic stream were intimately united with souls who belonged to the Aristotelian times. All these had experienced and undergone the several impulses of Michael. Many of them lived in such a way as to have witnessed the Mystery of Golgotha, not from the earthly aspect, but from the aspect of the Sun.
What it Means Today
For the Anthroposophical Society this is not antiquarian history but a working map of its own membership. Steiner gave the karmic-relationships lectures in 1924, in the months after the Christmas Conference at the Goetheanum in Dornach, and he spoke to the assembled members as people who had stood in Michael's School before being born. The Platonic stream, he said, gravitates toward an imaginative, devotional, vision-led grasp of the spirit, the way the teachers of twelfth-century Chartres once read the cosmos. The Aristotelic stream trusts disciplined thinking, definition, and the kind of conceptual rigor that Thomas Aquinas and the Dominican order brought into the Scholastic age. The reason the two were given as one entry is that Steiner saw their separation as the wound and their cooperation as the cure.
Practitioners since then have used the distinction as a lens on temperament rather than a label. Karl Koenig, who founded the Camphill movement in 1939, returned often to the two streams when he asked why some co-workers reach the spirit through reverent feeling and others through clear cognition. The point Steiner pressed is that the present Michael age, beginning in the last third of the nineteenth century, is the first in which both streams are meant to incarnate together and learn each other's gift. A Platonist who refuses thinking stays dreamy; an Aristotelian who refuses inner vision stays dry. The synthesis Thalira names the Chartres-Dominican handshake is the quiet task of any working group that holds heart-knowledge and head-knowledge in the same room without asking either to surrender.
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