Philippians 1:26

“In order that your ground of glorying may increase in Christ Jesus through me, by reason of my,” etc. Their καύχημα is their knowledge and possession of the Gospel. Christ Jesus is the sphere in which this blessing is enjoyed. Cf. Sir 9:16, ἐν φόβῳ Κυρίου ἔστω τὸ καύχημά σου. ἐν ἐμοί is defined by the following clause. Paul looks on his presence with them as an occasion of advance in their Christian calling. ἐν, which here denotes strictly the basis, may be translated “through”. This passage bears out the favourable turn which Paul's affairs have taken. He looks forward to rejoining them.