Your being joined with us and other Christians in the communion of Christ, and glad tidings of salvation by him, 1 Corinthians 10:16,17 1 Peter 4:13 1 John 1:3,7; evidenced by the communication of your bounty, Galatians 6:6 Hebrews 13:16; your stedfastness and perseverance in all Christian duties from the first time of your receiving the gospel.
Related Commentaries of Philippians 1:5
Philippians 1:5
5 For your fellowship in the gospel from the first day until now;