Have you not heard?
The LORD is the everlasting God,
the Creator of the ends of the earth.
He will not grow tired or weary,
and His understanding no one can fathom.
and increases the power of the weak.
and young men stumble and fall;
will renew their strength.
They will soar on wings like eagles;
they will run and not grow weary,
they will walk and not be faint.”