Matthew 13:15

for the heart of this people is waxed gross, and with their ears they have heard heavily, and their eyes they have closed; lest at any time they should see with the eves, and hear with the ears, and understand with the heart, and be converted, and I should heal them.

Acts 28:27

For the heart of this people is waxed gross, and with their ears they are thick of hearing, and their eyes have they shut; lest at any time they should see with their eyes, and hear with their ears, and understand with their hearts, and become converts, and I should heal them."

2 Peter 2:18

Uttering pompous discourses of inanity, ensnaring by the lusts of the flesh, by lascivious impurities, those who had truly escaped from such as live in a course of delusion.

Revelation 13:5-6

And there was given to him a mouth speaking great things and blasphemies; and there was given to him authority to make war forty-two months.

Treasury of Scripture Knowledge

Summary

They are inclosed in their own fat: with their mouth they speak proudly.

Bible References

They are

Matthew 13:15
for the heart of this people is waxed gross, and with their ears they have heard heavily, and their eyes they have closed; lest at any time they should see with the eves, and hear with the ears, and understand with the heart, and be converted, and I should heal them.
Acts 28:27
For the heart of this people is waxed gross, and with their ears they are thick of hearing, and their eyes have they shut; lest at any time they should see with their eyes, and hear with their ears, and understand with their hearts, and become converts, and I should heal them."

With

2 Peter 2:18
Uttering pompous discourses of inanity, ensnaring by the lusts of the flesh, by lascivious impurities, those who had truly escaped from such as live in a course of delusion.
Revelation 13:5
And there was given to him a mouth speaking great things and blasphemies; and there was given to him authority to make war forty-two months.