Chopper, I was looking for something else, when I happened upon Isaiah 40. I would recommend reading the whole chapter. Something else I will have to follow, but the "arm of the Lord" appeared to me a number of times while I was scanning for this other thing.
Isaiah 40:3-8
The voice of him that crieth in the wilderness, Prepare ye the way of the Lord,
make straight in the desert a highway for our God.
Every valley shall be exalted,
and every mountain and hill shall be made low:
and the crooked shall be made straight,
and the rough places plain:
And the glory of the Lord shall be revealed,
and all flesh shall see it together:
for the mouth of the Lord hath spoken it.
The voice said, Cry.
And he said, What shall I cry?
All flesh is grass,
and all the goodliness thereof is as the flower of the field:
The grass withereth, the flower fadeth:
because the spirit of the Lord bloweth upon it:
surely the people is grass.
The grass withereth, the flower fadeth:
but the word of our God shall stand for ever.
Isaiah 40:28-31
Hast thou not known? hast thou not heard,
that the everlasting God, the Lord,
the Creator of the ends of the earth,
fainteth not, neither is weary?
there is no searching of his understanding.
He giveth power to the faint;
and to them that have no might he increaseth strength.
Even the youths shall faint and be weary,
and the young men shall utterly fall:
But they that wait upon the Lord shall renew their strength;
they shall mount up with wings as eagles;
they shall run, and not be weary;
and they shall walk, and not faint.