For even though they knew God, they did not honor Him as God or give thanks, but they became futile in their speculations, and their foolish heart was darkened.

May their eyes grow dim so that they cannot see,
And make their loins shake continually.

“Woe to the worthless shepherd
Who leaves the flock!
A sword will be on his arm
And on his right eye!
His arm will be totally withered
And his right eye will be blind.”

being darkened in their understanding,

excluded from the life of God because of the ignorance that is in them, because of the hardness of their heart;

For if God did not spare angels when they sinned, but cast them into hell and committed them to pits of darkness, reserved for judgment;

And angels who did not keep their own domain, but abandoned their proper abode, He has kept in eternal bonds under darkness for the judgment of the great day,

And bow

Moreover, the Lord will scatter you among all peoples, from one end of the earth to the other end of the earth; and there you shall serve other gods, wood and stone, which you or your fathers have not known.

“I will put it into the hand of your tormentors,
Who have said to you, ‘Lie down that we may walk over you.’
You have even made your back like the ground
And like the street for those who walk over it.”

I will destine you for the sword,
And all of you will bow down to the slaughter.
Because I called, but you did not answer;
I spoke, but you did not hear.
And you did evil in My sight
And chose that in which I did not delight.”

General references

Yet to this day the Lord has not given you a heart to know, nor eyes to see, nor ears to hear.

They did not realize that He had been speaking to them about the Father.