This verse, from the Letter of Jeremiah (which is often included as chapter 6 of the Book of Baruch in some versions of the Bible), is a criticism of idol worship. It is pointing out the powerlessness and uselessness of idols.

Here's a breakdown of what the verse means:

"They can't restore a blind man to his sight...": This highlights the inability of idols to perform miracles or help people in any real, tangible way. A blind man requires a genuine source of power and healing to regain his sight. Idols, being inanimate objects, are completely incapable of providing such a thing.

"...nor deliver any that is in distress.": This reinforces the previous point. People in distress (those who are suffering, in trouble, or facing difficult situations) need real help and intervention. Idols are incapable of providing any form of rescue, comfort, or practical assistance.

In essence, the verse is saying that idols are completely ineffective and cannot help people in any meaningful way. The letter uses this kind of argument to persuade people to abandon idol worship and instead worship the true God, who is capable of performing miracles and delivering people from distress. It serves to expose the folly and emptiness of trusting in inanimate objects for salvation or help. It aims to show that idols are worthless and cannot offer anything of substance.