Say to those of a hasty heart, Be strong, fear not; behold, your God will come with vengeance, with the full dealing of God. He will come and save you.
So the artisan strengthens the refiner, and he smoothing with the hammer, him who struck the anvil, saying of soldering, It is good. And he made it strong with nails; it will not totter.
He engraves iron with a tool. He works in the coals, and forms it with hammers, and works it with the strength of his arms. Then, he is hungry, and his strength fails; he drinks no water, and is weak.