TSK · Exodus 17:12

For Joshua didn't draw back his hand, with which he stretched out the javelin, until he had utterly destroyed all the inhabitants of Ai.

Strengthen the weak hands, and make firm the feeble knees.

He came and found them sleeping, and said to Peter, "Simon, are you sleeping? Couldn't you watch one hour?

with all prayer and requests, praying at all times in the Spirit, and being watchful to this end in all perseverance and requests for all the saints:

Continue steadfastly in prayer, watching therein with thanksgiving;

Therefore, lift up the hands that hang down and the feeble knees,