What does it mean that Jesus, Father, and Holy Spirit are of the same nature but different personas?
- the Son is uniquely the Son of God in a way that noone else can be; 2. the Son is not the Father in some version of Sabellianism; 3. the Son is God every bit as much Divine as the Father, & this was the intended meaning of the term for both Christ and the Jews (John 5:18); 4. the Son, despite being fully God, is subservient to the Father, & always has been subservient from eternity, in his relation as the Son; 5. And what I could/should have said first There is only one God, the three persons are in essential unity.
Persons and Natures
When theologians down the ages have used the wordwords Person and Nature/Essence they have been using non-theological terms as used in their usual sense. Their intention has been to make theological matters easier to understand. They have not been using those terms in any special theological sense, else the whole purpose of using them becomes redundant. So…