1 John 2:24

You people should continue [to practice] what you heard from the beginning [i.e., to love one another, See verses 7-11]. If you do, then you also will continue in [fellowship with] the Son, and with the Father.

John 14:23

Jesus answered him, "If a person loves me, he will obey my teaching, and my Father will love him and we will come to him and make our home with him [i.e., in the person of the indwelling Holy Spirit].

1 John 1:3

We declare to you what we have seen and heard [concerning Christ], so that you also may share a relationship with us. And indeed, our fellowship is with the Father and with His Son Jesus Christ.

1 John 2:7

My dearly loved ones, I am not writing to you about a new commandment, but about an old one. [It is the one] you had learned about from the beginning. [Note: This is the commandment to love one another (3:1: II John 5) which Jesus had taught his disciples during His earthly ministry. See Mark 12:31]. This old commandment is the word [of God] which you heard [previously].

Luke 1:2

[that is, people] who were ministers of the word and original eyewitnesses [of these events], and who passed them on to us; [and since]

Luke 9:44

"Pay close attention to what I am saying, for the Son of man will be handed over to [evil] men."

John 8:25

So, they said to Him, "Who are you?" Jesus answered, "Why am I even speaking to you at all? [Note: The Greek words of this difficult passage are not real clear]

John 15:7

If you remain in [fellowship with] me and my teaching remains in your hearts, [you can] ask for whatever you want, and it will be done for you.

John 15:9-10

"Just as the Father has loved me, [so] I have also loved you. You should continue to receive [or, respond to] my love. [Note: The next verse tells how this can be done].

John 17:21-24

[I pray] that all of them may be one, just as you, Father, are [one] in [fellowship with] me, and I [am one] in [fellowship with] you, so that they also may be [one] in [fellowship with] us in order that the world may [see it and] believe that you sent me.

Philippians 4:15

As you Philippians also know, during the early days of [my] preaching the Gospel [in those regions], when I left Macedonia [Note: This was the northernmost province of Greece], no church shared with me in the matter of giving and receiving [i.e., financial help], except you only.

Colossians 3:16

You should let the message of Christ live in you abundantly [i.e., as individuals and collectively]. Use [much] wisdom in teaching and warning one another with psalms, hymns and spiritual songs, singing with favor [i.e., with thankfulness] in your hearts toward God.

Hebrews 2:1

So [then], we [Christians] should pay closer attention to the things we have heard, so that we do not drift away from [believing and practicing] them.

Hebrews 3:14

For we have become sharers with Christ, if we hold firmly onto the confidence [we had in Him] from the beginning until the end [of our lives].

1 John 1:7

But, if we live in the light [of righteousness] just like God [constantly] lives in the light [of righteousness], we can truly share a relationship with one another and [can know that] the blood of Jesus, God's Son, continues to cleanse [our spirits] from all of our sins.

1 John 4:13

This is [one way] to know we live in [fellowship with] God and that He lives in our hearts: [It is] because He has given us His Holy Spirit [to live within us, See 3:24].

1 John 4:16

And we have known [with certainty] and have believed [with assurance] that God has truly loved us. God's [very nature] is love and the person who [continually] loves [Him and others] lives in [fellowship with] God [continually], and God [continually] lives in that person's heart.

2 John 1:2

[We all love you] because of the truth which continues to live in our hearts and will be with us forever.

2 John 1:5-6

And now I ask you, lady [See verse 1], not as though writing a new commandment to you, but [I wanted to remind you of] one that we had [heard] from the beginning [of Christ's ministry]: [It is] that we should love one another.

3 John 1:3

For I was very happy when some of the brothers came and told me that you are being [faithful] to the truth [i.e., the word of God], and that you are living according to it, [as well].

Revelation 3:3

So, remember how you have received and heard the message [i.e., they had eagerly accepted the Gospel]; [now] obey it and repent. For if you do not become [spiritually] alert, I will come as a thief [i.e. unexpectedly] and you will not know the [exact] time that I will come upon you [in judgment. See 2:16, 25].

Revelation 3:11

I am coming soon [or, suddenly. See 2:16, 25; 3:3]. Hold on firmly to what you have [i.e., opportunity, obedience, steadfastness, etc.] so that no one takes away your crown [See 2:10].

Treasury of Scripture Knowledge

Summary

Let that therefore abide in you, which ye have heard from the beginning. If that which ye have heard from the beginning shall remain in you, ye also shall continue in the Son, and in the Father.

Bible References

Which

1 John 2:7
My dearly loved ones, I am not writing to you about a new commandment, but about an old one. [It is the one] you had learned about from the beginning. [Note: This is the commandment to love one another (3:1: II John 5) which Jesus had taught his disciples during His earthly ministry. See Mark 12:31]. This old commandment is the word [of God] which you heard [previously].
Luke 1:2
[that is, people] who were ministers of the word and original eyewitnesses [of these events], and who passed them on to us; [and since]
John 8:25
So, they said to Him, "Who are you?" Jesus answered, "Why am I even speaking to you at all? [Note: The Greek words of this difficult passage are not real clear]
Philippians 4:15
As you Philippians also know, during the early days of [my] preaching the Gospel [in those regions], when I left Macedonia [Note: This was the northernmost province of Greece], no church shared with me in the matter of giving and receiving [i.e., financial help], except you only.
2 John 1:5
And now I ask you, lady [See verse 1], not as though writing a new commandment to you, but [I wanted to remind you of] one that we had [heard] from the beginning [of Christ's ministry]: [It is] that we should love one another.

Ye also

1 John 1:3
We declare to you what we have seen and heard [concerning Christ], so that you also may share a relationship with us. And indeed, our fellowship is with the Father and with His Son Jesus Christ.
1 John 4:13
This is [one way] to know we live in [fellowship with] God and that He lives in our hearts: [It is] because He has given us His Holy Spirit [to live within us, See 3:24].
John 14:23
Jesus answered him, "If a person loves me, he will obey my teaching, and my Father will love him and we will come to him and make our home with him [i.e., in the person of the indwelling Holy Spirit].
John 15:9
"Just as the Father has loved me, [so] I have also loved you. You should continue to receive [or, respond to] my love. [Note: The next verse tells how this can be done].
John 17:21
[I pray] that all of them may be one, just as you, Father, are [one] in [fellowship with] me, and I [am one] in [fellowship with] you, so that they also may be [one] in [fellowship with] us in order that the world may [see it and] believe that you sent me.