Yesaya 18:3

18:3 All you who live in the world,

who reside on the earth,

you will see a signal flag raised on the mountains;

you will hear a trumpet being blown.

Yesaya 44:9

44:9 All who form idols are nothing;

the things in which they delight are worthless.

Their witnesses cannot see;

they recognize nothing, so they are put to shame.

Yesaya 44:18

44:18 They do not comprehend or understand,

for their eyes are blind and cannot see;

their minds do not discern. ¹ 

[44:18]  ¹ tn Heb “for their eyes are smeared over so they cannot see, so their heart cannot be wise.”