So then, you [Gentiles] are no longer foreigners and aliens [i.e., to God's promises. See verse 12], but you are fellow-citizens with the saints [i.e., God's holy people], and are part of God's family.

[It is] that God's secret plan [i.e., revealed in the Gospel preached to Gentiles. See verse 6] was made known to me by way of a revelation. [See Acts 9:15; 22:21]. I have already written to you [about this] briefly [i.e., probably a reference to 1:9ff].

from whom every family in heaven and on earth receives its name. [Note: Here Paul resumes the prayer he began in verse 1].

(But what does "He ascended" mean if not that He also [first] descended to the lower parts of the earth [i.e., to the earth below]? [Note: Of the three principal interpretations given to this verse: a) Christ descended to earth, b) Christ descended to the grave, c) Christ descended to Mary's womb. The first is to be preferred. See John 3:13; 6:38, 62].

Therefore, put on the full armor of God, so that you can withstand [the devil, See verse 11] when the evil day comes. And, after you have done everything you can, still remain standing firm [in the faith].