Isaiah 44:18

18They know not, nor do they discern, for he has shut their eyes, so that they cannot see, and their hearts, so that they cannot understand.

Isaiah 45:20

20 a“Assemble yourselves and come;
draw near together,
you survivors of the nations!
bThey have no knowledge
who ccarry about their wooden idols,
dand keep on praying to a god
that cannot save.
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