Chapters In The Ninth Book.
1. That by reason of the identity of Their Nature, the Son is in the Father, and the Father again is in the Son.
ΚΕΦΑΛΑΙΟΝ ΤΟ ΕΝ ΤΩι ΕΝΝΑΤΩι ΒΙΒΛΙΩι. α. Ὅτι διὰ τὴν ταυτότητα τῆς φύσεως ὁ Υἱὸς μὲν ἐν τῷ Πατρί ἐστιν: ὁ Πατὴρ δ' αὖ πάλιν ἐν τῷ Υἱῷ ἐστιν.