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

Matthew 6:22
The eye is the lamp of the body: so, if your Eye is generous, the whole of your body will be illumined,
Mark 8:18
You have eyes, do you not see? you have ears, do you not hear?
Acts 26:18
that their eyes may be opened and that they may turn from darkness to light, from the power of Satan to God, to get remission of their sins and an inheritance among those who are consecrated by faith in me.'
Ephesians 1:17
May the God of our Lord Jesus Christ, the glorious Father, grant you the Spirit of wisdom and revelation for the knowledge of himself,

Single

Acts 2:46
Day after day they resorted with one accord to the temple and broke bread together in their own homes; they ate with a glad and simple heart,
2 Corinthians 1:12
My proud boast is the testimony of my conscience that holiness and godly sincerity, not worldly cunning but the grace of God, have marked my conduct in the outside world and in particular my relations with you.
2 Corinthians 11:3
but I am afraid of your thoughts getting seduced from a single devotion to Christ, just as the serpent beguiled Eve with his cunning.
Ephesians 6:5
Servants, be obedient to those who are your masters here below with reverence and trembling, with singleness of heart as to Christ himself;
Colossians 3:22
Servants, obey your masters here below at every point; do not work simply when their eye is on you, like those who court human favour, but serve them with a single heart out of reverence for your Lord and Master.

But

Mark 4:12
so that for all their seeing they may not perceive, and for all their hearing they may not understand, lest they turn and be forgiven."
Mark 7:22
adultery, lust, malice, deceit, sensuality, envying, slander, arrogance, recklessness,
Acts 13:11
See here, the Lord's hand will fall on you, and you will be blind, unable for a time to see the sun." In a moment a dark mist fell upon him, and he groped about for someone to take him by the hand.
2 Corinthians 4:4
there the god of this world has blinded the minds of unbelievers, to prevent them seeing the light thrown by the gospel of the glory of Christ, who is the likeness of God.