The Apostle Paul
Philippians 1:17ESV·traditional attribution

The former proclaim Christ out of selfish ambition, not sincerely but thinking to afflict me in my imprisonment.

John Calvin Reformed @genevareformer

17 That for the defense. Those who truly loved Christ reckoned that it would be a disgrace to them if they did not associate themselves with Paul as his companions, when maintaining the cause of the gospel; and we must act in such a manner, as to give a helping hand, as far as possible, to the servants of Christ when in difficulty.

Matthew Henry Presbyterian @wholebiblehenry

We see here the care the apostle takes to prevent their being offended at his sufferings. He was now a prisoner at Rome; this might be a stumbling-block to those who had received the gospel by his ministry. They might be tempted to think, If this doctrine were indeed of God, God would not suffer one who was so active and instrumental in preaching and...

Commenting on Philippians 1:12-20

John Gill Reformed Baptist @doctorgill

But the other of love,.... Those that were truly brethren in the Lord, who had received the grace of God in truth, to whom the Gospel was come in power, and who had a spiritual and experimental knowledge of Christ, and of the mysteries of his grace; these preached Christ of love, "out of the love of him", as the Ethiopic version reads; that is...