Luke 22:32
But I have prayed for thee, that thy faith fail not. And do thou, when thou hast returned to me, strengthen thy brethren.
Luke 22:43
And there appeared to him an angel from heaven, strengthening him.
Acts 18:23
And after he had spent some time there, he departed, going through the Galatian country and Phrygia in order, strengthening all the disciples.
2 Corinthians 12:9-10
and he said to me, My grace is sufficient for thee; for my strength is made perfect in weakness. Most gladly therefore will I rather boast in my weaknesses, that the strength of Christ may abide upon me.
Ephesians 3:16
that he would grant you, according to the riches of his glory, to be strengthened with might by his Spirit in the inner man;
Philippians 4:13
I can do all things in him who strengtheneth me.
Colossians 1:11
endued with all power according to the might of his glory unto all patience and longsuffering with joy;