Isaiah 35:3

Wherefore lift up the hands which hang down, and the feeble knees;

But I have prayed for thee, that thy faith fail not: and when thou art converted, strengthen thy brethren.

And after he had spent some time there, he departed, and went over all the country of Galatia and Phrygia in order, strengthening all the disciples.

And there appeared an angel unto him from heaven, strengthening him.

But I would strengthen you with my mouth, and the moving of my lips should asswage your grief.

And thou shalt hear what they say; and afterward shall thine hands be strengthened to go down unto the host. Then went he down with Phurah his servant unto the outside of the armed men that were in the host.