My love ... After having administered severe rebukes, he closes with "love:" his very rebukes were prompted by love, and therefore are in harmony with the profession here: love in Christ Jesus embraced "all" who loved Him.
The subscription represents the letter as written from Philipi. 1 Corinthians 16:8 shows it was written at Ephesus. Bengel conjectures that it was sent from Philippi (1 Corinthians 16:5), because the deputies of the Corinthians accompanied Paul there. From Ephesus there was a road to Corinth above Philippi.