1 John 1:6

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

1 John 4:20

If anyone says, "I love God," and hates his brother, he is a liar, for the one who does not love his brother whom he has seen is not able to 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 the light has come into the world, and people loved the darkness rather than the light, because their deeds were evil.

John 12:35

So Jesus said to them, "Yet a little time the light is with you! Walk while you have the light, so that the darkness does not overtake you! And the one who walks in the darkness does not know where he is going.

1 John 2:4

The one who says "I have come to know him," and does not keep his commandments is a liar, and the truth is not in this person.

Revelation 3:17-18

Because you are saying, "I am rich, and have become rich, and I have need of nothing," and you do not know that you are wretched and pitiable and poor and blind and naked,

Psalm 5:4-6

For you [are] not a God [who] desires wickedness. Evil cannot dwell with you.

Psalm 82:5

They do not know or consider. They go about in the darkness, [so that] all [the] foundations of [the] earth are shaken.

Psalm 94:20

Can there be allied with you a throne of destruction, one that forms trouble based on statute?

Proverbs 2:13

those who forsake the paths of uprightness to walk in ways of darkness,

Proverbs 4:18-19

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

Matthew 7:22

On that day many will say to me, 'Lord, Lord, did we not prophesy in your name, and expel demons in your name, and perform many miracles in your name?'

John 8:12

Then Jesus spoke to them again, saying, "I am the light of the world! The one who follows me will never walk in darkness, but will have the light of life."

John 8:44-45

You are of your father the devil, and you want to do the desires of your father! That one was a murderer from the beginning, and does not stand firm in the truth, because truth is not in him. Whenever he speaks the lie, he speaks from his own [nature], because he is a liar and the father {of lies}.

John 11:10

But if anyone walks around in the night, he stumbles, because the light is not in him.

John 12:46

I have come [as] a light into the world, in order that everyone who believes in me will not remain in the darkness.

2 Corinthians 6:14-16

Do not become unevenly yoked with unbelievers, for what participation [is there between] righteousness and lawlessness? Or what fellowship [does] light [have] with darkness?

1 Timothy 4:2

by the hypocrisy of liars, who are seared in their own conscience,

James 2:14

What [is] the benefit, my brothers, if someone says [that he] has faith but does not have works? That faith [is] not able to save him, [is it]?

James 2:16

and one of you should say to them, "Go in peace, keep warm and {eat well}," but does not give them what is necessary for the body, what [is] the benefit?

James 2:18

But someone will say, "You have faith and I have works." Show me your faith apart from your works, and I will show you my faith by my works.

1 John 1:3

what we have seen and heard, we announce to you also, in order that you also may have fellowship with us, and indeed our fellowship [is] with the Father and with his Son Jesus Christ.

1 John 1:8

If we say that we do not have sin, we deceive ourselves and the truth is not in us.

1 John 2:9-11

The one 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 do not have sin, we deceive ourselves and the truth is not in us.
1 John 2:4
The one who says "I have come to know him," and does not keep his commandments is a liar, and the truth is not in this person.
1 John 4:20
If anyone says, "I love God," and hates his brother, he is a liar, for the one who does not love his brother whom he has seen is not able to love God whom he has not seen.
Matthew 7:22
On that day many will say to me, 'Lord, Lord, did we not prophesy in your name, and expel demons in your name, and perform many miracles in your name?'
James 2:14
What [is] the benefit, my brothers, if someone says [that he] has faith but does not have works? That faith [is] not able to save him, [is it]?
Revelation 3:17
Because you are saying, "I am rich, and have become rich, and I have need of nothing," and you do not know that you are wretched and pitiable and poor and blind and naked,

Fellowship

1 John 1:3
what we have seen and heard, we announce to you also, in order that you also may have fellowship with us, and indeed our fellowship [is] with the Father and with his Son Jesus Christ.
Psalm 5:4
For you [are] not a God [who] desires wickedness. Evil cannot dwell with you.
Psalm 94:20
Can there be allied with you a throne of destruction, one that forms trouble based on statute?
2 Corinthians 6:14
Do not become unevenly yoked with unbelievers, for what participation [is there between] righteousness and lawlessness? Or what fellowship [does] light [have] 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 anyone says, "I love God," and hates his brother, he is a liar, for the one who does not love his brother whom he has seen is not able to love God whom he has not seen.
John 8:44
You are of your father the devil, and you want to do the desires of your father! That one was a murderer from the beginning, and does not stand firm in the truth, because truth is not in him. Whenever he speaks the lie, he speaks from his own [nature], because he is a liar and the father {of lies}.
1 Timothy 4:2
by the hypocrisy of liars, who are seared in their own conscience,

Do not

John 3:21
But the one who practices the truth comes to the light, in order that his deeds may be revealed, that they are done in God.