Luke 11:34

The lamp of your body is your eye. When your eye is clear your entire body is full of light. When it is evil your body is full of darkness.

Matthew 6:22-23

The eyes are like a lamp for the body. If your eye is clear (simple) (focused) (single minded), your whole body will be full of [spiritual] light.

Genesis 19:11

Then they blinded the men of Sodom so they could not find the doorway.

2 Kings 6:15-20

Early the next morning Elisha's servant got up and went out of the house. He saw the Syrian troops with their horses and chariots surrounding the town. He went to Elisha and said: Alas my master what shall we do?

Psalm 81:12

Therefore I gave them over to their stubborn hearts. They walked in their own counsel.

Psalm 119:18

Open my eyes that I may observe wonderful things from your law.

Proverbs 28:22

He who hurries to be rich has an evil eye. He does not think poverty will come to him.

Isaiah 6:10

This people's heart has become calloused. They hardly hear with their ears, and they have closed their eyes. Otherwise they might see with their eyes, hear with their ears, understand with their hearts, and turn and be healed.(Septuagint)

Isaiah 29:10

Jehovah has made you drowsy. He shut your eyes in a deep sleep you prophets and visionaries. He overwhelmed your leaders.

Isaiah 42:19

Is anyone more blind than my servant or more deaf than the messenger I send?

Isaiah 44:18

They do not know or understand anything. Their eyes are plastered shut and cannot see. Their minds are closed and therefore they cannot understand.

Jeremiah 5:21

Hear this, you stupid and senseless people! You have eyes, but you cannot see. You have ears, but you cannot hear.'

Mark 4:12

So that seeing they may see and not perceive. And hearing they may hear and not understand. Otherwise they might repent and be forgiven.

Mark 7:22

coveting, wickedness, deceit, loose conduct, envy, slander, pride, and foolishness.

Mark 8:18

Having eyes, do you not see? Having ears, do you not hear? And do you not remember?

Acts 2:46

They continued daily with one accord in the temple, and breaking bread from house to house. They ate their food with gladness and singleness of heart.

Acts 13:11

Look Jehovah's hand is on you. You will be blind and not see the sun for a season. Immediately there fell on him a mist and darkness. He went about seeking some to lead him by the hand.

Acts 26:18

To open their eyes, and to turn them from darkness to light, and from the power of Satan to God. They may receive forgiveness of sins, and inheritance among those who are sanctified by faith in me.'

Romans 11:8-10

It is written, God has given them the spirit of slumber, eyes that they should not see, and ears that they should not hear to this very day. (Deuteronomy 29:4)

2 Corinthians 1:12

This is our pride and testimony of conscience. In holiness and Godly sincerity we behaved ourselves in the world, and more abundantly toward you. It was not by fleshly wisdom but by the grace of God.

2 Corinthians 4:4

The god of this age (world) (religious, social, political, and economic arrangement) has blinded the minds of unbelievers that the light of the good news of the glory of Christ, who is the image of God, should not shine on them.

2 Corinthians 11:3

But I fear, lest by any means, as the serpent beguiled Eve in his craftiness, your minds will be lead away from the simplicity and the purity (cleanness) that is toward Christ.

Ephesians 1:17

May the God of our Lord Jesus Christ, the Father of glory, give you a spirit (mental disposition) of wisdom and revelation in the knowledge of him.

Ephesians 6:5

Servants, be obedient to those who according to the flesh are your masters, with fear and trembling, in sincerity of your heart, as to Christ.

Colossians 3:22

Servants, obey your masters according to the flesh in all things, not with eye-service, as men-pleasers, but in singleness of heart, respecting God.

2 Thessalonians 2:9-12

The evil (lawless) one will come with the power of Satan and perform all kinds of false signs and wonders.

Treasury of Scripture Knowledge

Summary

The light of the body is the eye: therefore when thine eye is single, thy whole body also is full of light; but when thine eye is evil, thy body also is full of darkness.

Bible References

Light of

Psalm 119:18
Open my eyes that I may observe wonderful things from your law.
Matthew 6:22
The eyes are like a lamp for the body. If your eye is clear (simple) (focused) (single minded), your whole body will be full of [spiritual] light.
Mark 8:18
Having eyes, do you not see? Having ears, do you not hear? And do you not remember?
Acts 26:18
To open their eyes, and to turn them from darkness to light, and from the power of Satan to God. They may receive forgiveness of sins, and inheritance among those who are sanctified by faith in me.'
Ephesians 1:17
May the God of our Lord Jesus Christ, the Father of glory, give you a spirit (mental disposition) of wisdom and revelation in the knowledge of him.

Single

Acts 2:46
They continued daily with one accord in the temple, and breaking bread from house to house. They ate their food with gladness and singleness of heart.
2 Corinthians 1:12
This is our pride and testimony of conscience. In holiness and Godly sincerity we behaved ourselves in the world, and more abundantly toward you. It was not by fleshly wisdom but by the grace of God.
2 Corinthians 11:3
But I fear, lest by any means, as the serpent beguiled Eve in his craftiness, your minds will be lead away from the simplicity and the purity (cleanness) that is toward Christ.
Ephesians 6:5
Servants, be obedient to those who according to the flesh are your masters, with fear and trembling, in sincerity of your heart, as to Christ.
Colossians 3:22
Servants, obey your masters according to the flesh in all things, not with eye-service, as men-pleasers, but in singleness of heart, respecting God.

But

Genesis 19:11
Then they blinded the men of Sodom so they could not find the doorway.
2 Kings 6:15
Early the next morning Elisha's servant got up and went out of the house. He saw the Syrian troops with their horses and chariots surrounding the town. He went to Elisha and said: Alas my master what shall we do?
Psalm 81:12
Therefore I gave them over to their stubborn hearts. They walked in their own counsel.
Proverbs 28:22
He who hurries to be rich has an evil eye. He does not think poverty will come to him.
Isaiah 6:10
This people's heart has become calloused. They hardly hear with their ears, and they have closed their eyes. Otherwise they might see with their eyes, hear with their ears, understand with their hearts, and turn and be healed.(Septuagint)
Isaiah 29:10
Jehovah has made you drowsy. He shut your eyes in a deep sleep you prophets and visionaries. He overwhelmed your leaders.
Isaiah 42:19
Is anyone more blind than my servant or more deaf than the messenger I send?
Isaiah 44:18
They do not know or understand anything. Their eyes are plastered shut and cannot see. Their minds are closed and therefore they cannot understand.
Jeremiah 5:21
Hear this, you stupid and senseless people! You have eyes, but you cannot see. You have ears, but you cannot hear.'
Mark 4:12
So that seeing they may see and not perceive. And hearing they may hear and not understand. Otherwise they might repent and be forgiven.
Mark 7:22
coveting, wickedness, deceit, loose conduct, envy, slander, pride, and foolishness.
Acts 13:11
Look Jehovah's hand is on you. You will be blind and not see the sun for a season. Immediately there fell on him a mist and darkness. He went about seeking some to lead him by the hand.
Romans 11:8
It is written, God has given them the spirit of slumber, eyes that they should not see, and ears that they should not hear to this very day. (Deuteronomy 29:4)
2 Corinthians 4:4
The god of this age (world) (religious, social, political, and economic arrangement) has blinded the minds of unbelievers that the light of the good news of the glory of Christ, who is the image of God, should not shine on them.
2 Thessalonians 2:9
The evil (lawless) one will come with the power of Satan and perform all kinds of false signs and wonders.