Finally, my brethren, be strong in the Lord and in the power of His might.
Ephesians 6:10
Surrounding context
6:9 And you, masters, do the same things to them, giving up threatening, knowing that your own Master also is in heaven, and there is no partiality with Him.
6:10 Finally, my brethren, be strong in the Lord and in the power of His might.
6:11 Put on the whole armor of God, that you may be able to stand against the wiles of the devil.