The report analyzes a fragment of Origen’s triadological reasoning about the birth of the Son against the background of Aristotle’s doctrine of dunamis and in comparison with the reasoning of Plotinus. In particular, the report examines the status of the will in the Aristotelian doctrine about dunamis in connection with the Origen’s logic, as well as traces the connection between the metaphors used by Aristotle, Origen and Plotinus to illustrate their statements about dunamis.