undifferentiated divine Monad’ manifested himself to his creation. The Father is alone unbegotten, they said. The Son, however, is begotten by the Father and that by an act of eternal generation on the part of the Father but in such a sense that the Son is ‘begotten, not made.’ What does all this mean precisely? It means that these Fathers taught that the Son derives his essential being or existence as God from the Father (see their ‘out of the being of the Father’) through an ‘always continuing