The 4th-century supersensible event in which the Exousiai handed rulership of the cosmic thoughts to the Archai, so that human beings could begin to think for themselves.
The Transfer of Cosmic Thoughts in Anthroposophy is the supersensible event of the 4th century A.D. in which the Exousiai, the Spirits of Form, ceded rulership over the world of thoughts to the Archai, the Primal Forces or Principalities, the hierarchy standing one rank nearer to humanity. Rudolf Steiner described it in The Driving Force of Spiritual Powers in World History (GA 222, 1923), lectures given at Dornach. Until that handover the thoughts by which people understood the world streamed into them from the Spirits of Form, perceived as living in things. After it, the Archai gave thoughts more inwardly, while the Exousiai retained only the world of colour and tone. This shift was experienced as a long transition, central around the 4th century and completed by the 14th, and it made the modern feeling of producing one's own thoughts, and so personal freedom, first possible.
The Transfer of Cosmic Thoughts names a turning point Rudolf Steiner placed in the 4th century A.D., when the hierarchy of the Exousiai handed the cosmic thoughts down to the Archai. Before it, thoughts shone into people from the world itself. After it, thinking drew nearer and felt inward, so that a person could at last sense the thought as his own.
In Steiner's Own Words
At that time the Archai, the Principalities, took over the task previously carried out by the Exousiai. Events of this kind do take place in the super-sensible world. And this was an event of immense cosmic importance. The Exousiai, the Spirits of Form, retained merely the task of controlling external sense-perceptions; with special cosmic forces they rule over everything present in the world of colour, tone and so on. Accordingly, those who have insight into these things must say with reference to the times which follow the 4th century A.D.: the thoughts which rule the world are transferred to the Archai, the Principalities; now, all the manifold forms of the world, the constant metamorphoses seen by eyes and heard by ears constitute a fabric woven by the Exousiai, who formerly gave thoughts to human beings and now give them sense-impressions, while the Archai now give them thoughts.
What it Means Today
Steiner's whole point in GA 222 is that this supersensible handover is what made human freedom thinkable at all. While the Spirits of Form ruled the cosmic thoughts, a Greek did not feel he made his thoughts; he received them, the way he received the colour red, as something shining out of the world. Once the Archai took over, thinking came one step closer, and a person could feel, for the first time, that he himself was the maker of his thoughts. That feeling is the seed of everything Steiner builds in his early philosophical work. The lineage runs straight into The Philosophy of Freedom (GA 4, 1894), where the pure thinking that a person produces out of his own activity, free of compulsion from outside, becomes the ground of ethical individualism and moral imagination.
Read together, the two books describe one process from two sides. GA 222 gives the cosmic-historical precondition: the Archai had to receive the thoughts before any human could feel thinking as his own. The Philosophy of Freedom then works out, in plain epistemological language, what a person does with that won inwardness, observing his own thinking as a free deed rather than a gift handed down. Thalira synthesis: the Transfer of Cosmic Thoughts is the spiritual-scientific backstory of the very first sentence of the Philosophy of Freedom, the hidden 4th-century event that had to happen before "Is man free?" could even be an honest question. Steiner also notes the shadow side, the backward Spirits of Form who would not cede rulership and who press, behind migrations and wars, to keep thinking bound to the old cosmic compulsion.
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