Isaiah 8:20

for teaching and for testimony?" {surely they [who] speak like this have no dawn}.

Micah 3:6

Therefore [it will be as] night to you, without vision, and darkness to you, without divination. And the sun will set on the prophets, and the day will grow dark over them.

2 Peter 1:19

and we possess [as] more reliable the prophetic word, to which you do well [if you] pay attention to [it] as to a lamp shining in a dark place, until the day dawns and the morning star rises in your hearts,

Isaiah 8:16

Bind up [the] testimony; seal [the] teaching among my disciples.

Psalm 19:7-8

The law of Yahweh [is] perfect, reviving life. The testimony of Yahweh [is] firm, making wise [the] simple.

Psalm 119:130

The unfolding of your words gives light, giving understanding to [the] simple.

Proverbs 4:18

But the path of the righteous ones [is] like the light of dawn, leading and shining until the day {is full}.

Isaiah 1:10

Hear the word of Yahweh, rulers of Sodom! Listen [to] the teaching of our God, people of Gomorrah!

Isaiah 30:8-11

Now go, write it on a tablet with them, and inscribe it on a scroll, {that} it may be {for the time to come}, forever, forever.

Jeremiah 8:9

[The] wise will be put to shame, they will be dismayed, and they will get taken. Look, they have rejected the word of Yahweh, and what [is] wisdom to them?

Hosea 6:3

Let us know, let us press on to know Yahweh; his rising [is] sure like [the] dawn. He will come like the showers to us, like [the] spring rain that waters [the] earth.

Malachi 4:2

But for you who revere my name, the sun of righteousness will rise, with healing in its wings, and you will go out and leap like {fattened calves}.

Matthew 6:23

But if your eye is evil, your whole body will be dark. Therefore if the light in you is darkness, how great [is] the darkness!

Matthew 22:29

But Jesus answered [and] said to them, "You are mistaken, [because] you do not know the scriptures or the power of God!

Mark 7:7-9

And they worship me in vain, teaching [as] doctrines the commandments of men.'

Luke 10:26

And he said to him, "What is written in the law? How do you read [it]?"

Luke 16:29-31

But Abraham said, 'They have Moses and the prophets; they must listen to them.'

John 5:39

You search the scriptures because you think that you have eternal life in them, and it is these that testify about me.

John 5:46-47

For if you had believed Moses, you would believe me, for that one wrote about me.

Acts 17:11

Now these were more open-minded than those in Thessalonica. {They} accepted the message with all eagerness, examining the scriptures every day [to see] if these [things] were so.

Romans 1:22

Claiming to be wise, they became fools,

Galatians 3:8-29

And the scripture, foreseeing that God would justify the Gentiles by faith, proclaimed the good news in advance to Abraham: "In you all the nations will be blessed."

Galatians 4:21-22

Tell me, [you] who are wanting to be under the law, do you not understand the law?

2 Timothy 3:15-17

and that from childhood you have known the holy writings that are able [to make] you wise for salvation through faith in Christ Jesus.

2 Peter 1:9

For [the one] for whom these [things] [are] not present is blind, being nearsighted, {having forgotten the cleansing} of his former 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 on a tablet with them, and inscribe it on a scroll, {that} it may be {for the time to come}, forever, forever.
Psalm 19:7
The law of Yahweh [is] perfect, reviving life. The testimony of Yahweh [is] firm, making wise [the] simple.
Psalm 119:130
The unfolding of your words gives light, giving understanding to [the] simple.
Jeremiah 8:9
[The] wise will be put to shame, they will be dismayed, and they will get taken. Look, they have rejected the word of Yahweh, and what [is] wisdom to them?
Micah 3:6
Therefore [it will be as] night to you, without vision, and darkness to you, without divination. And the sun will set on the prophets, and the day will grow dark over them.
Matthew 6:23
But if your eye is evil, your whole body will be dark. Therefore if the light in you is darkness, how great [is] the darkness!
Matthew 22:29
But Jesus answered [and] said to them, "You are mistaken, [because] you do not know the scriptures or the power of God!
Mark 7:7
And they worship me in vain, teaching [as] doctrines the commandments of men.'
Romans 1:22
Claiming to be wise, they became fools,
2 Peter 1:9
For [the one] for whom these [things] [are] not present is blind, being nearsighted, {having forgotten the cleansing} of his former sins.

Light

Proverbs 4:18
But the path of the righteous ones [is] like the light of dawn, leading and shining until the day {is full}.
Hosea 6:3
Let us know, let us press on to know Yahweh; his rising [is] sure like [the] dawn. He will come like the showers to us, like [the] spring rain that waters [the] earth.
Malachi 4:2
But for you who revere my name, the sun of righteousness will rise, with healing in its wings, and you will go out and leap like {fattened calves}.
2 Peter 1:19
and we possess [as] more reliable the prophetic word, to which you do well [if you] pay attention to [it] as to a lamp shining in a dark place, until the day dawns and the morning star rises in your hearts,

General references

Numbers 8:2
"Speak to Aaron, and say to him: 'When you are setting up the lamps, the seven lamps will give light in front of the face of the lampstand.'"
Micah 5:12
And I will cut off sorceries from your hand, and you will not have soothsayers.
Matthew 14:4
because John had been saying to him, "It is not permitted for you to have her."
Luke 10:26
And he said to him, "What is written in the law? How do you read [it]?"