Phil 3:1

3:1 Finally, my brothers. This anticipates the letter’s closing exhortations (4:2–9).

rejoice in the Lord. This appeal is repeated in 4:4.

the same things. This refers to what Paul is about to say in vv. 2–21 (cf. v. 18). Here Paul repeats material he had previously communicated, either personally or by letter, that the Philippians might be “safe” against false teaching in the church.