A soldier refrains from entangling himself in civilian affairs, in order to please the one who enlisted him.
Be strengthened in grace, not as a permission to sloth, but as a command to shake off the flesh's sluggishness. Even the most gifted lose heart midway unless they are constantly aroused and reminded that their strength comes not from themselves but from Christ.
AI summary
Commenting on 2 Timothy 2:1-26
Here Paul encourages Timothy to constancy and perseverance in his work: Be strong in the grace that is in Christ Jesus, Ti2 2:1. Observe, Those who have work to do for God must stir up themselves to do it, and strengthen themselves for it. Being strong in the grace that is in Christ Jesus may be understood in opposition to the weakness of grace.
Commenting on 2 Timothy 2:1-7
No man that warreth,.... Who is a soldier, and gives himself up to military service, in a literal sense: the Vulgate Latin version, without any authority, adds, "to God"; as if the apostle was speaking of a spiritual warfare; whereas he is illustrating a spiritual warfare by a corporeal one; and observes, that no one, that is in a military state, entangleth himself with the...