1 John 5:8

and the three agree in one.

Matthew 26:26-28

And as they were eating, Jesus took bread, and when he had given thanks, he broke it, and gave it to the disciples, and said: Take, eat; this is my body.

Matthew 28:19

Go, therefore, make disciples of all nations, immersing them (the disciples) into the name of the Father, and of the Son, and of the Holy Spirit;

Mark 14:56

For many testified falsely against him, and their testimony did not agree.

John 15:26

But when the Paraclete has come, whom I will send to you from my Father, the Spirit of the truth, which proceeds from the Father, he will testify of me;

Acts 2:2-4

And suddenly there came from heaven a sound as of a rushing, violent wind, and it filled the whole house in which they were sitting.

Acts 15:15

And with this agree the words of the prophets; as it is written,

Romans 8:16

The Spirit itself testifies with our spirit, that we are the children of God;

2 Corinthians 1:22

who has also set his seal upon us, and given us the earnest of the Spirit in our hearts.

Hebrews 6:4

For it is impossible to renew again to repentance those who have once been enlightened, and have tasted of the heavenly gift, and have been made partakers of the Holy Spirit,

Hebrews 13:12

Wherefore, Jesus also, that he might sanctify the people by his own blood, suffered without the gate.

1 Peter 3:21

the likeness of which, even immersion, (not the putting away of the filth of the flesh, but the seeking of a good conscience toward God,) does now also save us, through the resurrection of Jesus Christ,

1 John 5:6-7

This is he that came by water and by blood, Jesus the Christ; not by water only, but by water and by blood: and it is the Spirit that testifies, because the Spirit is truth.

Treasury of Scripture Knowledge

Summary

And there are three that bear witness in earth, the spirit, and the water, and the blood: and these three agree in one.

There

Bible References

There

1 John 5:7
For there are three that testify, the Spirit, and the water, and the blood;

The spirit

1 John 5:6
This is he that came by water and by blood, Jesus the Christ; not by water only, but by water and by blood: and it is the Spirit that testifies, because the Spirit is truth.
Matthew 26:26
And as they were eating, Jesus took bread, and when he had given thanks, he broke it, and gave it to the disciples, and said: Take, eat; this is my body.
Matthew 28:19
Go, therefore, make disciples of all nations, immersing them (the disciples) into the name of the Father, and of the Son, and of the Holy Spirit;
John 15:26
But when the Paraclete has come, whom I will send to you from my Father, the Spirit of the truth, which proceeds from the Father, he will testify of me;
Romans 8:16
The Spirit itself testifies with our spirit, that we are the children of God;
Hebrews 6:4
For it is impossible to renew again to repentance those who have once been enlightened, and have tasted of the heavenly gift, and have been made partakers of the Holy Spirit,

The water

Acts 2:2
And suddenly there came from heaven a sound as of a rushing, violent wind, and it filled the whole house in which they were sitting.
2 Corinthians 1:22
who has also set his seal upon us, and given us the earnest of the Spirit in our hearts.

The blood

Hebrews 13:12
Wherefore, Jesus also, that he might sanctify the people by his own blood, suffered without the gate.
1 Peter 3:21
the likeness of which, even immersion, (not the putting away of the filth of the flesh, but the seeking of a good conscience toward God,) does now also save us, through the resurrection of Jesus Christ,

And these

Mark 14:56
For many testified falsely against him, and their testimony did not agree.
Acts 15:15
And with this agree the words of the prophets; as it is written,