Why does Paul's letter to the Philippians contain no word of criticism?
Paul's letter to the Philippians contains no word of criticism because he had a real warm place in his heart for them. His deep affection and positive regard for the Philippian believers meant he wrote to them without any criticism, reflecting the close personal bond he shared with them.
Les explains that Paul had a real warm place in his heart for the Philippians, and therefore not a word of criticism appears in this letter. The context is Philippians chapter 3, verse 17, where Paul addresses them as brethren. The affectionate relationship Paul enjoyed with the Philippian believers shaped the entire tone of the letter, so it contains no criticism at all.
Brethren, be followers together of me, and mark them which walk so as ye have us for an ensample.