1:12-20 The apostle was a prisoner at Rome; and to take off the offence of the cross, he shows the wisdom and goodness of God in his sufferings. These things made him known, where he would never have otherwise been known; and led some to inquire after the gospel. He suffered from false friends, as well as from enemies. How wretched the temper of those who preached Christ out of envy and contention, and to add affliction to the bonds that oppressed this best of men! The apostle was easy in the midst of all. Since our troubles may tend to the good of many, we ought to rejoice. Whatever turns to our salvation, is by the Spirit of Christ; and prayer is the appointed means of seeking for it. Our earnest expectation and hope should not be to be honoured of men, or to escape the cross, but to be upheld amidst temptation, contempt, and affliction. Let us leave it to Christ, which way he will make us serviceable to his glory, whether by labour or suffering, by diligence or patience, by living to his honour in working for him, or dying to his honour in suffering for him.

15. "Some indeed are preaching Christ even for envy, that is, to carry out the envy which they felt towards Paul, on account of the success of the Gospel in the capital of the world, owing to his steadfastness in his imprisonment; they wished through envy to transfer the credit of its progress from him to themselves. Probably Judaizing teachers (Ro 14:1-23; 1Co 3:10-15; 9:1, &c.; 2Co 11:1-4).

some also of—rather, "for"

good will—answering to "the brethren" (Php 1:14); some being well disposed to him.