The Apostle Paul
Ephesians 6:10BSB·traditional attribution

Finally, be strong in the Lord and in His mighty power.

John Calvin Reformed @genevareformer

10. Finally. Resuming his general exhortations, he again enjoins them to be strong, — to summon up courage and vigor; for there is always much to enfeeble us, and we are ill fitted to resist. But when our weakness is considered, an exhortation like this would have no effect, unless the Lord were present, and stretched out his hand to render assistance, or rather, unless...

Matthew Henry Presbyterian @wholebiblehenry

Here is a general exhortation to constancy in our Christian course, and to encourage in our Christian warfare. Is not our life a warfare? It is so; for we struggle with the common calamities of human life. Is not our religion much more a warfare?

Commenting on Ephesians 6:10-18

John Gill Reformed Baptist @doctorgill

Finally, my brethren,.... This is the conclusion of the apostle's exhortations, in which he addresses the saints as his brethren; which appellation he uses, not merely as a familiar way of speaking among the Jews, but in regard to them as regenerate persons, and of the same family and household of God with himself; and he calls them so, to show his humility, and as...