Jamieson, Fausset & Brown

The subject of his prayer for them (Phi 1:4). your love--to Christ, producing love not only to Paul, Christ's minister, as it did, but also to one another, which it did not altogether as much as it ought (Phi 2:2; Phi 4:2). knowledge--of doctrinal and practical truth. judgment--rather, "perception"; "perceptive sense." Spiritual perceptiveness: spiritual sight, spiritual hearing, spiritual feeling, spiritual taste. Christianity is a vigorous plant, not the hotbed growth of enthusiasm. "Knowledge" and "perception" guard love from being ill-judged.