He was not that Light, but {was sent} to bear witness of that Light.
He was not the light, but was sent that he might testify about the light.
ουκ ην εκεινος το φως αλλ ινα μαρτυρηση περι του φωτος
oyk ēn ekeinos to phōs all ina martyrēsē peri toy phōtos
