Joseph Benson's Commentary of the Old and New Testaments - 2 Timothy 2:3-7
2 Timothy 2:3-7. Thou therefore endure hardness Κακοπαθησον , literally, endure evil; that is, expect persecutions and various sufferings, and, by the powerful aids of divine grace, endure them with courage, constancy, and patience; as a good soldier of Jesus Christ Who endured much greater afflictions in the days of his flesh, and hath thereby shown all who engage to fight under his banner, and would approve themselves his faithful soldiers, that they must expect to meet with various... read more
Albert Barnes' Notes on the Whole Bible - 2 Timothy 2:3
Thou therefore endure hardness, as a good soldier of Jesus Christ - Such hardships as a soldier is called to endure. The apostle supposes that a minister of the gospel might be called to endure hardships, and that it is reasonable that he should be as ready to do it as a soldier is. On the hardships which he endured himself, see the notes at 2 Corinthians 11:23-29. Soldiers often endure great privations. Taken from their homes and friends; exposed to cold, or heat, or storms, or fatiguing... read more