Answer:
The recurring theme, running throughout the letter, is that of joy and rejoicing. Repeatedly the apostle uses phrases like, "Rejoice, and again I say rejoice, rejoice in your sufferings, rejoice in your difficulties.
To write the same things to you, to me indeed is not grievous, but for you it is safe. 2 Beware of dogs, beware of evil workers, beware of the concision. 3 For we are the circumcision, which worship God in the spirit, and rejoice in Christ Jesus, and have no confidence in the flesh.
It is authored by Paul the Apostle about mid-50s to early 60s CE and addressed to the Christians in Philippi. This chapter contains Paul's final exhortation, thanks for support and conclusion of the epistle.
