Matthew 13:15

and their ears are dull of hearing, and they have closed their eyes; least they should see at all with their eyes, and hear with their ears, and understand with their heart, and be converted, and I should heal them.

Acts 28:27

and they hear heavily with their ears, and have closed their eyes; least they should see at all with their eyes, and hear with their ears, and understand with their heart, and be converted, and I should heal them.

John 3:19-20

And this is the condemnation, that light is come into the world, and men loved darkness rather than light, because their deeds were evil.

Acts 3:19

Repent therefore and be converted, that your sins may be blotted out: that seasons of refreshing may come upon you from the presence of the Lord;

2 Corinthians 2:16

to these indeed we are an odor of death to death; to those an odor of life unto life. And who is sufficient for these things?

Treasury of Scripture Knowledge

Summary

Make the heart of this people fat, and make their ears heavy, and shut their eyes; lest they see with their eyes, and hear with their ears, and understand with their heart, and convert, and be healed.

The heart

Convert

Bible References

The heart

2 Corinthians 2:16
to these indeed we are an odor of death to death; to those an odor of life unto life. And who is sufficient for these things?

Convert

Matthew 13:15
and their ears are dull of hearing, and they have closed their eyes; least they should see at all with their eyes, and hear with their ears, and understand with their heart, and be converted, and I should heal them.