Matthew 6:23
but if thine eye be disordered, thy whole body will be in darkness. If then the light that is within thee is darkness, how great that darkness!
Luke 11:34-35
The lamp of the body is thine eye. When thine eye is clear, thy whole body also is in the light; but when it is disordered, thy body also is in darkness.
Ephesians 5:8
For ye were once darkness, but now ye are light in the Lord. Walk as children of light,
Treasury of Scripture Knowledge
Summary
Then I saw that wisdom excelleth folly, as far as light excelleth darkness.
Bible References
Light
Matthew 6:23
but if thine eye be disordered, thy whole body will be in darkness. If then the light that is within thee is darkness, how great that darkness!
Luke 11:34
The lamp of the body is thine eye. When thine eye is clear, thy whole body also is in the light; but when it is disordered, thy body also is in darkness.
Ephesians 5:8
For ye were once darkness, but now ye are light in the Lord. Walk as children of light,