1 John 1:6

If we say that we have fellowship with him, and walk in darkness, we lie, and do not practise the truth.

1 John 4:20

If any one say, I love God, and hate his brother, he is a liar: for he that loves not his brother whom he has seen, how can he love God whom he has not seen?

1 John 1:10

If we say that we have not sinned, we make him a liar, and his word is not in us.

John 3:19-21

And this is the judgment, that light is come into the world, and men have loved darkness rather than light; for their works were evil.

John 12:35

Jesus therefore said to them, Yet a little while is the light amongst you. Walk while ye have the light, that darkness may not overtake you. And he who walks in the darkness does not know where he goes.

1 John 2:4

He that says, I know him, and does not keep his commandments, is a liar, and the truth is not in him;

Revelation 3:17-18

Because thou sayest, I am rich, and am grown rich, and have need of nothing, and knowest not that thou art the wretched and the miserable, and poor, and blind, and naked;

Psalm 5:4-6

For thou art not a God that hath pleasure in wickedness; evil shall not sojourn with thee.

Psalm 82:5

They know not, neither do they understand; they walk on in darkness: all the foundations of the earth are moved.

Psalm 94:20

Shall the throne of wickedness be united to thee, which frameth mischief into a law?

Proverbs 2:13

from those who leave the paths of uprightness, to walk in the ways of darkness;

Proverbs 4:18-19

But the path of the righteous is as the shining light, going on and brightening until the day be fully come.

Matthew 7:22

Many shall say to me in that day, Lord, Lord, have we not prophesied through thy name, and through thy name cast out demons, and through thy name done many works of power?

John 8:12

Again therefore Jesus spoke to them, saying, I am the light of the world; he that follows me shall not walk in darkness, but shall have the light of life.

John 8:44-45

Ye are of the devil, as your father, and ye desire to do the lusts of your father. He was a murderer from the beginning, and has not stood in the truth, because there is no truth in him. When he speaks falsehood, he speaks of what is his own; for he is a liar and its father:

John 11:10

but if any one walk in the night, he stumbles, because the light is not in him.

John 12:46

I am come into the world as light, that every one that believes on me may not abide in darkness;

2 Corinthians 6:14-16

Be not diversely yoked with unbelievers; for what participation is there between righteousness and lawlessness? or what fellowship of light with darkness?

1 Timothy 4:2

speaking lies in hypocrisy, cauterised as to their own conscience,

James 2:14

What is the profit, my brethren, if any one say he have faith, but have not works? can faith save him?

James 2:16

and one from amongst you say to them, Go in peace, be warmed and filled; but give not to them the needful things for the body, what is the profit?

James 2:18

But some one will say, Thou hast faith and I have works. Shew me thy faith without works, and I from my works will shew thee my faith.

1 John 1:3

that which we have seen and heard we report to you, that ye also may have fellowship with us; and our fellowship is indeed with the Father, and with his Son Jesus Christ.

1 John 1:8

If we say that we have no sin, we deceive ourselves, and the truth is not in us.

1 John 2:9-11

He who says he is in the light, and hates his brother, is in the darkness until now.

Treasury of Scripture Knowledge

Summary

If we say that we have fellowship with him, and walk in darkness, we lie, and do not the truth:

Do not

Bible References

If

1 John 1:8
If we say that we have no sin, we deceive ourselves, and the truth is not in us.
1 John 2:4
He that says, I know him, and does not keep his commandments, is a liar, and the truth is not in him;
1 John 4:20
If any one say, I love God, and hate his brother, he is a liar: for he that loves not his brother whom he has seen, how can he love God whom he has not seen?
Matthew 7:22
Many shall say to me in that day, Lord, Lord, have we not prophesied through thy name, and through thy name cast out demons, and through thy name done many works of power?
James 2:14
What is the profit, my brethren, if any one say he have faith, but have not works? can faith save him?
Revelation 3:17
Because thou sayest, I am rich, and am grown rich, and have need of nothing, and knowest not that thou art the wretched and the miserable, and poor, and blind, and naked;

Fellowship

1 John 1:3
that which we have seen and heard we report to you, that ye also may have fellowship with us; and our fellowship is indeed with the Father, and with his Son Jesus Christ.
Psalm 5:4
For thou art not a God that hath pleasure in wickedness; evil shall not sojourn with thee.
Psalm 94:20
Shall the throne of wickedness be united to thee, which frameth mischief into a law?
2 Corinthians 6:14
Be not diversely yoked with unbelievers; for what participation is there between righteousness and lawlessness? or what fellowship of light with darkness?

We lie

1 John 1:10
If we say that we have not sinned, we make him a liar, and his word is not in us.
1 John 4:20
If any one say, I love God, and hate his brother, he is a liar: for he that loves not his brother whom he has seen, how can he love God whom he has not seen?
John 8:44
Ye are of the devil, as your father, and ye desire to do the lusts of your father. He was a murderer from the beginning, and has not stood in the truth, because there is no truth in him. When he speaks falsehood, he speaks of what is his own; for he is a liar and its father:
1 Timothy 4:2
speaking lies in hypocrisy, cauterised as to their own conscience,

Do not

John 3:21
but he that practises the truth comes to the light, that his works may be manifested that they have been wrought in God.