Isaiah 8:20

To the law and to the testimony! If not, let them say after this manner, 'That there is no dawn to it.'

Micah 3:6

Therefore a night ye have without vision, And darkness ye have without divination, And gone in hath the sun on the prophets, And black over them hath been the day.

2 Peter 1:19

And we have more firm the prophetic word, to which we do well giving heed, as to a lamp shining in a dark place, till day may dawn, and a morning star may arise -- in your hearts;

Isaiah 8:16

Bind up the testimony, Seal the law among My disciples.

Psalm 19:7-8

The law of Jehovah is perfect, refreshing the soul, The testimonies of Jehovah are stedfast, Making wise the simple,

Psalm 119:130

The opening of Thy words enlighteneth, Instructing the simple.

Proverbs 4:18

And the path of the righteous is as a shining light, Going and brightening till the day is established,

Isaiah 1:10

Hear the word of Jehovah, ye rulers of Sodom, Give ear to the law of our God, ye people of Gomorrah,

Isaiah 30:8-11

No, go in, write it on a tablet with them, And on a book engrave it, And it is for a latter day, for a witness unto the age,

Jeremiah 8:9

Ashamed have been the wise, They have been affrighted, and are captured, Lo, against a word of Jehovah they kicked, And the wisdom of what -- have they?

Hosea 6:3

And we know -- we pursue to know Jehovah, As the dawn prepared is His going forth, And He cometh in as a shower to us, As gathered rain -- sprinkling earth.'

Malachi 4:2

And risen to you, ye who fear My name, Hath the sun of righteousness -- and healing in its wings, And ye have gone forth, and have increased as calves of a stall.

Matthew 6:23

but if thine eye may be evil, all thy body shall be dark; if, therefore, the light that is in thee is darkness -- the darkness, how great!

Matthew 22:29

And Jesus answering said to them, 'Ye go astray, not knowing the Writings, nor the power of God;

Mark 7:7-9

and in vain do they worship Me, teaching teachings, commands of men;

Luke 10:26

And he said unto him, 'In the law what hath been written? how dost thou read?'

Luke 16:29-31

'Abraham saith to him, They have Moses and the prophets, let them hear them;

John 5:39

'Ye search the Writings, because ye think in them to have life age-during, and these are they that are testifying concerning me;

John 5:46-47

for if ye were believing Moses, ye would have been believing me, for he wrote concerning me;

Acts 17:11

and these were more noble than those in Thessalonica, they received the word with all readiness of mind, every day examining the Writings whether those things were so;

Romans 1:22

professing to be wise, they were made fools,

Galatians 3:8-29

and the Writing having foreseen that by faith God doth declare righteous the nations did proclaim before the good news to Abraham --

Galatians 4:21-22

Tell me, ye who are willing to be under law, the law do ye not hear?

2 Timothy 3:15-17

and because from a babe the Holy Writings thou hast known, which are able to make thee wise -- to salvation, through faith that is in Christ Jesus;

2 Peter 1:9

for he with whom these things are not present is blind, dim-sighted, having become forgetful of the cleansing of his old 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
No, go in, write it on a tablet with them, And on a book engrave it, And it is for a latter day, for a witness unto the age,
Psalm 19:7
The law of Jehovah is perfect, refreshing the soul, The testimonies of Jehovah are stedfast, Making wise the simple,
Psalm 119:130
The opening of Thy words enlighteneth, Instructing the simple.
Jeremiah 8:9
Ashamed have been the wise, They have been affrighted, and are captured, Lo, against a word of Jehovah they kicked, And the wisdom of what -- have they?
Micah 3:6
Therefore a night ye have without vision, And darkness ye have without divination, And gone in hath the sun on the prophets, And black over them hath been the day.
Matthew 6:23
but if thine eye may be evil, all thy body shall be dark; if, therefore, the light that is in thee is darkness -- the darkness, how great!
Matthew 22:29
And Jesus answering said to them, 'Ye go astray, not knowing the Writings, nor the power of God;
Mark 7:7
and in vain do they worship Me, teaching teachings, commands of men;
Romans 1:22
professing to be wise, they were made fools,
2 Peter 1:9
for he with whom these things are not present is blind, dim-sighted, having become forgetful of the cleansing of his old sins;

Light

Proverbs 4:18
And the path of the righteous is as a shining light, Going and brightening till the day is established,
Hosea 6:3
And we know -- we pursue to know Jehovah, As the dawn prepared is His going forth, And He cometh in as a shower to us, As gathered rain -- sprinkling earth.'
Malachi 4:2
And risen to you, ye who fear My name, Hath the sun of righteousness -- and healing in its wings, And ye have gone forth, and have increased as calves of a stall.
2 Peter 1:19
And we have more firm the prophetic word, to which we do well giving heed, as to a lamp shining in a dark place, till day may dawn, and a morning star may arise -- in your hearts;

General references

Numbers 8:2
'Speak unto Aaron, and thou hast said unto him, In thy causing the lights to go up, over-against the face of the candlestick do the seven lights give light.'
Micah 5:12
And have cut off sorcerers out of thy hand, And observers of clouds thou hast none.
Matthew 14:4
for John was saying to him, 'It is not lawful to thee to have her,'
Luke 10:26
And he said unto him, 'In the law what hath been written? how dost thou read?'