New Revised Standard Version
Make the mind of this people dull, and stop their ears, and shut their eyes, so that they may not look with their eyes, and listen with their ears, and comprehend with their minds, and turn and be healed.”

Contemporary English Version
"Make these people stubborn! Make them stop up their ears, cover their eyes, and fail to understand. Don't let them turn to me and be healed."

New American Bible
Make the heart of this people sluggish, dull their ears and close their eyes; Lest they see with their eyes, and hear with their ears, and their heart understand, and they turn and be healed.

Douay-Rheims Bible
Blind the heart of this people, 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 be converted and I heal them.

Blind the heart of this people, 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 be converted and I heal them.

the heart

Isaiah 29:10 For the Lord hath mingled for you the spirit of a deep sleep, he will shut up your eyes, he will cover your prophets and princes, that see visions.

Isaiah 63:17 Why hast thou made us to err, O Lord, from thy ways: why hast thou hardened our heart, that we should not fear thee? return for the sake of thy servants, the tribes of thy inheritance.

Exodus 7:3 But I shall harden his heart, and shall multiply my signs and wonders in the land of Egypt.

Exodus 10:27 And the Lord hardened Pharao's heart, and he would not let them go.

Exodus 11:10 And Moses and Aaron did all the wonders that are written, before Pharao. And the Lord hardened Pharao's heart, neither did he let the children of Israel go out of his land.

Exodus 14:17 And I will harden the heart of the Egyptians to pursue you: and I will be glorified in Pharao, and in all his host, and in his chariots and in his horsemen.

Deuteronomy 2:30 And Sehon the king of Hesebon would not let us pass: because the Lord thy God had hardened his spirit, and fixed his heart, that he might be delivered into thy hands, as now thou seest.

Ezekiel 3:6-11 Nor to many nations of a strange speech, and of an unknown tongue, whose words thou canst not understand: and if thou wert sent to them, they would hearken to thee. . . .

2 Corinthians 2:16 To the one indeed the odour of death unto death: but to the others the odour of life unto life. And for these things who is so sufficient?

fat

Deuteronomy 32:15 The beloved grew fat, and kicked: he grew fat, and thick and gross, he forsook God who made him, and departed from God his saviour.

Psalm 17:10 They have shut up their fat: their mouth hath spoken proudly.

ears heavy

Jeremiah 6:10 To whom shall I speak? and to whom shall I testify, that he may hear? behold, their ears are uncircumcised, and they cannot hear: behold the word of the Lord is become unto them a reproach: and they will not receive it.

Zechariah 7:11 But they would not hearken, and they turned away the shoulder to depart: and they stopped their ears, not to hear.

lest

Jeremiah 5:21 Hear, O foolish people, and without understanding: who have eyes, and see not: and ears, and hear not.

John 3:19,20 And this is the judgment: Because the light is come into the world and men loved darkness rather than the light: for their works were evil. . . .

Acts 3:19 Be penitent, therefore, and be converted, that your sins may be blotted out.

Acts 28:27 For the heart of this people is grown gross, and with their ears have they heard heavily and their eyes they have shut, lest perhaps they should see with their eyes and hear with their ears and understand with their heart and should be converted: and I should heal them.

convert

Isaiah 19:22 And the Lord shall strike Egypt with a scourge, and shall heal it, and they shall return to the Lord, and he shall be pacified towards them, and heal them.

Matthew 13:15 For the heart of this people is grown gross, and with their ears they have been dull of hearing, and their eyes they have shut: lest at any time they should see with their eyes, and hear with their ears, and understand with their heart, and be converted, and I should heal them.