Matthew 6:22

'The lamp of the body is the eye, if, therefore, thine eye may be perfect, all thy body shall be enlightened,

Luke 11:34-36

'The lamp of the body is the eye, when then thine eye may be simple, thy whole body also is lightened; and when it may be evil, thy body also is darkened;

2 Corinthians 11:3

and I fear, lest, as the serpent did beguile Eve in his subtilty, so your minds may be corrupted from the simplicity that is in the Christ;

Colossians 3:22

The servants! obey in all things those who are masters according to the flesh, not in eye-service as men-pleasers, but in simplicity of heart, fearing God;

Acts 2:46

Daily also continuing with one accord in the temple, breaking also at every house bread, they were partaking of food in gladness and simplicity of heart,

Ephesians 6:5

The servants! obey the masters according to the flesh with fear and trembling, in the simplicity of your heart, as to the Christ;

Treasury of Scripture Knowledge

Summary

The light of the body is the eye: if therefore thine eye be single, thy whole body shall be full of light.

Light of

General references

Bible References

Light of

Luke 11:34
'The lamp of the body is the eye, when then thine eye may be simple, thy whole body also is lightened; and when it may be evil, thy body also is darkened;

Single

Acts 2:46
Daily also continuing with one accord in the temple, breaking also at every house bread, they were partaking of food in gladness and simplicity of heart,
2 Corinthians 11:3
and I fear, lest, as the serpent did beguile Eve in his subtilty, so your minds may be corrupted from the simplicity that is in the Christ;
Ephesians 6:5
The servants! obey the masters according to the flesh with fear and trembling, in the simplicity of your heart, as to the Christ;
Colossians 3:22
The servants! obey in all things those who are masters according to the flesh, not in eye-service as men-pleasers, but in simplicity of heart, fearing God;

General references

Proverbs 4:25
Thine eyes do look straightforward, And thine eyelids look straight before thee.
John 7:17
if any one may will to do His will, he shall know concerning the teaching, whether it is of God, or -- I do speak from myself.
James 1:8
a two-souled man is unstable in all his ways.