Isaiah 8:20

To the law and to the testimony if they will not speak according to this word, because no morning is in them.

Micah 3:6

For this, night to you from a vision, and darkness to you from divining; and the sun went down upon the prophets, and the day was dark upon them.

2 Peter 1:19

And we have the prophetic word more firm; which holding to, ye do well, as to a light shining in a dusty place, even till the day shine through, and the morning star spring up in your hearts:

Isaiah 8:16

Bind up the oracle, seal up the law among the disciples.

Psalm 19:7-8

The law of Jehovah is blameless, turning back the soul; the testimonies of Jehovah being faithful, making wise the simple.

Psalm 119:130

The entrance of thy words will enlighten; causing the simple to understand.

Proverbs 4:18

The path of the just as the light shining, going and shining even to the day prepared.

Isaiah 1:10

Hear the word of Jehovah, ye leaders of Sodom: give ear to the law of our God, ye people of Gomorrah.

Isaiah 30:8-11

Now go, write it to them upon a tablet, and engrave it upon a book, and it shall be for the latter day, forever even forever.

Jeremiah 8:9

The wise were ashamed, they were confounded, and they will be taken: behold, they rejected in the word of Jehovah; and what wisdom to them?

Hosea 6:3

And we shall know, we shall pursue to know Jehovah: as the morning his going forth was prepared; and he shall come as the rain to us, as the latter rain, the early rain of the earth.

Malachi 4:2

And to you fearing my name the sun of justice arose, and healing in his wings; and ye went forth and spread as calves of the stall.

Matthew 6:23

But if thine eye be evil, thy whole body shall be dark. If therefore the light which in thee is darkness, how much the darkness

Matthew 22:29

And Jesus, having answered, said to them, Ye are led astray, not having known the writings, nor the power of God.

Mark 7:7-9

And in vain they revere me, teaching doctrines the commands of men.

Luke 10:26

And he said to him, What has been written in the law? how readest thou ?

Luke 16:29-31

Abraham says to him, They have Moses and the prophets; let them hear them.

John 5:39

Search the writings; for ye think in them to have eternal life: and these are they testifying of me.

John 5:46-47

For if ye had believed Moses, ye had believed me: for he himself wrote of me.

Acts 17:11

And they were of more noble birth than those in Thessalonica, who received the word with all willingness, and examined the writings daily, if these things might hold thus.

Romans 1:22

Declaring themselves to be wise, they were fools,

Galatians 3:8-29

And the writing, foreseeing that of faith God justifies the nations, announced beforehand the good news to Abraham, That in thee shall all nations be praised.

Galatians 4:21-22

Tell me, those wishing to be under the law, do ye not hear the law?

2 Timothy 3:15-17

And that from infancy thou hast known the holy letters, able to render thee wise to salvation by faith which in Christ Jesus.

2 Peter 1:9

For in whom these are not present, he is blind, being affected with shortness of sight, having taken 2Peter 1:forgetfulness of the cleansing formerly of his sins.

Treasury of Scripture Knowledge

Summary

To the law and to the testimony: if they speak not according to this word, it is because there is no light in them.

Bible References

It is

Isaiah 30:8
Now go, write it to them upon a tablet, and engrave it upon a book, and it shall be for the latter day, forever even forever.
Psalm 19:7
The law of Jehovah is blameless, turning back the soul; the testimonies of Jehovah being faithful, making wise the simple.
Psalm 119:130
The entrance of thy words will enlighten; causing the simple to understand.
Jeremiah 8:9
The wise were ashamed, they were confounded, and they will be taken: behold, they rejected in the word of Jehovah; and what wisdom to them?
Micah 3:6
For this, night to you from a vision, and darkness to you from divining; and the sun went down upon the prophets, and the day was dark upon them.
Matthew 6:23
But if thine eye be evil, thy whole body shall be dark. If therefore the light which in thee is darkness, how much the darkness
Matthew 22:29
And Jesus, having answered, said to them, Ye are led astray, not having known the writings, nor the power of God.
Mark 7:7
And in vain they revere me, teaching doctrines the commands of men.
Romans 1:22
Declaring themselves to be wise, they were fools,
2 Peter 1:9
For in whom these are not present, he is blind, being affected with shortness of sight, having taken 2Peter 1:forgetfulness of the cleansing formerly of his sins.

Light

Proverbs 4:18
The path of the just as the light shining, going and shining even to the day prepared.
Hosea 6:3
And we shall know, we shall pursue to know Jehovah: as the morning his going forth was prepared; and he shall come as the rain to us, as the latter rain, the early rain of the earth.
Malachi 4:2
And to you fearing my name the sun of justice arose, and healing in his wings; and ye went forth and spread as calves of the stall.
2 Peter 1:19
And we have the prophetic word more firm; which holding to, ye do well, as to a light shining in a dusty place, even till the day shine through, and the morning star spring up in your hearts:

General references

Numbers 8:2
Speak to Aaron, and say to him, In thy raising up of the lamps, to the front of the face of the chandelier shall the seven lamps enlighten.
Micah 5:12
And I cut off sorceries from thy hand, and they practicing magic shall not be to thee.
Matthew 14:4
For John said to him, It is not lawful for thee to have her:
Luke 10:26
And he said to him, What has been written in the law? how readest thou ?