As frequently in the introductions of the epistles, to emphasize his divine appointment. In Rom 1:1; 1Co 1:1, called is added.
To the saints
See on Rom 1:7; see on Col 1:2; see on Phi 1:1.
At Ephesus
There is much discussion as to the genuineness of these words. They are bracketed by both Westcott and Hort, and Tischendorf. On their omission or retention turns the question whether the epistle was addressed to the church at Ephesus, or was a circular epistle, addressed to Ephesus along with several other churches. For Ephesus, see on Rev 2:1.
The faithful
Not faithful in the sense of fidelity and perseverance, but believing, as Joh 20:27; Act 10:45. It is to be included with the saints under the one article.