1 John 1:3

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

1 Corinthians 1:9

God is faithful, by whom ye were called into the fellowship of his Son Jesus Christ our Lord.

1 John 1:1

That which was from the beginning, that which we have heard, that which we have seen with our eyes, that which we looked upon, and our hands handled, concerning the word of life,

Philippians 2:1

If then there is any exhortation in Christ, if any encouragement from love, if any partaking of the Spirit, if any tenderness and compassion,

John 17:3

And this is the everlasting life, to know thee, the only true God, and Jesus Christ whom thou didst send.

John 17:21

that they all may be one; as thou, Father, art in me and I in thee, that they also may be in us, that the world may believe that thou didst send me.

Acts 4:20

For we cannot but speak the things which we saw and heard.

2 Corinthians 13:14

The grace of the Lord Jesus Christ, and the love of God, and the partaking of the Holy Spirit, be with you all.

Philippians 3:10

that I may know him, and the power of his resurrection, and the fellowship of his sufferings, while becoming like him in his death,

1 John 1:7

but if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus his Son cleanseth us from all sin.

John 14:20-23

In that day ye will know that I am in my Father, and ye in me, and I in you.

John 17:11

And I am no longer in the world; and they are in the world, and I come to thee. Holy Father! keep them in thy name which thou hast given me, that they may be one, even as we are.

John 17:25

Righteous Father! and yet the world knew thee not! but I knew thee, and these knew that thou didst send me.

Acts 2:42

And they were constantly attending on the teaching of the apostles, and the imparting [of their substance], the breaking of bread, and the prayers.

Acts 13:32

And we declare to you the glad tidings, that the promise which was made to the fathers

Acts 13:41

"Behold, ye despisers, and wonder, and perish! for I work a work in your days, a work which ye will not believe, though one should plainly declare it to you."

Acts 20:27

for I have not shunned to declare to you the whole counsel of God.

Romans 15:27

They have thought it good, and they owed it to them. For if the gentiles have shared in their spiritual things, they ought in return to minister to them in temporal things.

1 Corinthians 1:30

But from him it is that ye are in Christ Jesus, who from God was made to us wisdom, and righteousness, and sanctification, and redemption;

1 Corinthians 15:1

Moreover, brethren, I declare anew to you the gospel which I preached to you, which also ye received, and wherein ye stand,

Ephesians 3:6

that the gentiles are fellowheirs, and of the same body, and partakers with us of the promise in Christ Jesus through the gospel;

Philippians 1:7

even as it is right for me to think this of you all, because I have you in my heart both in my bonds, and in the defence and confirmation of the gospel, all of you being sharers of the grace bestowed on me.

Colossians 1:13

who rescued us from the empire of darkness, and transferred us into the kingdom of his beloved Son;

1 Thessalonians 1:10

and to wait for his Son from heaven, whom he raised from the dead, even Jesus, who delivereth us from the coming wrath.

1 Timothy 6:2

And they that have believing masters, let them not despise them because they are brethren; but rather do them service, because they who receive the benefit are faithful and beloved. These things teach and exhort.

Hebrews 2:12

saying, "I will declare thy name to my brethren, in the midst of the congregation will I sing praise to thee."

Hebrews 3:1

Wherefore, holy brethren, partakers of a heavenly calling, consider the apostle and highpriest of our profession, Jesus;

Hebrews 3:14

For we have become partakers of Christ, if we hold fast our first confidence firm to the end.

1 Peter 5:1

The elders among you I exhort, who am a fellowelder, and a witness of the sufferings of Christ, who am also a sharer in the glory that is to be revealed;

1 John 1:5

And this is the message which we have heard from him, and announce to you, that God is light, and in him is no darkness at all.

1 John 2:23-24

Whoever denieth the Son, the same hath not the Father; he that acknowledgeth the Son hath also the Father.

1 John 5:10-11

He that believeth in the Son of God hath the witness within him; he that believeth not God hath made him a liar, because he hath not believed in the witness which God hath borne concerning his Son.

Treasury of Scripture Knowledge

Summary

That which we have seen and heard declare we unto you, that ye also may have fellowship with us: and truly our fellowship is with the Father, and with his Son Jesus Christ.

Bible References

Declare

1 John 1:5
And this is the message which we have heard from him, and announce to you, that God is light, and in him is no darkness at all.
John 17:25
Righteous Father! and yet the world knew thee not! but I knew thee, and these knew that thou didst send me.
Acts 13:32
And we declare to you the glad tidings, that the promise which was made to the fathers
Acts 20:27
for I have not shunned to declare to you the whole counsel of God.
1 Corinthians 15:1
Moreover, brethren, I declare anew to you the gospel which I preached to you, which also ye received, and wherein ye stand,
Hebrews 2:12
saying, "I will declare thy name to my brethren, in the midst of the congregation will I sing praise to thee."

Our fellowship

1 John 1:7
but if we walk in the light, as he is in the light, we have fellowship one with another, and the blood of Jesus his Son cleanseth us from all sin.
1 John 2:23
Whoever denieth the Son, the same hath not the Father; he that acknowledgeth the Son hath also the Father.
John 14:20
In that day ye will know that I am in my Father, and ye in me, and I in you.
John 17:3
And this is the everlasting life, to know thee, the only true God, and Jesus Christ whom thou didst send.
1 Corinthians 1:9
God is faithful, by whom ye were called into the fellowship of his Son Jesus Christ our Lord.
2 Corinthians 13:14
The grace of the Lord Jesus Christ, and the love of God, and the partaking of the Holy Spirit, be with you all.
Philippians 2:1
If then there is any exhortation in Christ, if any encouragement from love, if any partaking of the Spirit, if any tenderness and compassion,
Philippians 3:10
that I may know him, and the power of his resurrection, and the fellowship of his sufferings, while becoming like him in his death,
Hebrews 3:14
For we have become partakers of Christ, if we hold fast our first confidence firm to the end.

With his

1 John 5:10
He that believeth in the Son of God hath the witness within him; he that believeth not God hath made him a liar, because he hath not believed in the witness which God hath borne concerning his Son.
Colossians 1:13
who rescued us from the empire of darkness, and transferred us into the kingdom of his beloved Son;
1 Thessalonians 1:10
and to wait for his Son from heaven, whom he raised from the dead, even Jesus, who delivereth us from the coming wrath.

General references

Mark 4:22
For there is nothing secret, unless to be made known; nor was any thing hidden, but that it should come to light.
Luke 24:48
Ye are witnesses of these things.
John 20:30
Many other signs did Jesus in the presence of his disciples, which are not written in this book.
Philippians 1:5
on account of your fellowship in the cause of the gospel from the first day until now;