Thou worm Jacob — Isaiah 41:14

אַל־תִּירְאִי תּוֹלַעַת יַעֲקֹב — "Fear not, thou worm Jacob… I will help thee, saith the LORD, and thy redeemer, the Holy One of Israel."

The rabbinic reading turns on the physiology. A worm has no claw, no shell, no venom and no speed. It has a mouth. And with that alone it can bring down a cedar — so the verse is not an insult but a description of an armament: what this people has is speech, and it is enough.

Said plainly, because it costs one sentence and is true: this is a self-designation, spoken tenderly, inside a passage of comfort — fear not… I will help thee. It has nothing to do with the later use of the word as an insult by others, which is a different thing entirely and belongs to those who said it. And the image is bigger than the verse. Drawn in four dimensions, every human being is a worm, soft and tapered and blind at both ends. Isaiah reached for a metaphor and described an anatomy.