1 John 2:19

They have gone out from our number, but they did not really belong to us. For if they had, they would have stayed with us. It was to make it clear that none of them really belonged to us that they withdrew.

Acts 20:30

and from your own number men will appear and teach perversions of the truth in order to draw the disciples away after them.

1 Corinthians 11:19

Doubtless there must be parties among you, if those who are right are to be recognized among you.

Matthew 13:20-21

And what was sown upon the rocky soil means the man who hears the message and at once accepts it joyfully,

Matthew 24:24

for false Christs and false prophets will appear, and they will show great signs and wonders to mislead God's chosen people if they can.

Mark 4:5-6

Some of it fell on rocky ground, and where there was not much soil, and it sprang up at once because the soil was not deep,

Mark 4:16-17

It is so too with the ones sown on the rocky ground; they gladly accept the message as soon as they hear it,

Mark 13:22

For false Christs and false prophets will appear, and they will show signs and wonders to mislead God's chosen people if they can.

Luke 8:13

The ones on the rock are those who receive the message joyfully when they first hear it, but it takes no real root. They believe for a little while, and then in the time of trial they draw back.

John 4:14

but anyone who drinks the water that I will give him will never be thirsty, but the water that I will give him will become a spring of water within him, bubbling up for eternal life."

John 6:37-39

All that my Father gives to me will come to me, and I will never refuse anyone who comes to me,

John 10:28-30

and I give them eternal life, and they shall never be lost, and no one shall tear them out of my hands.

John 15:2

Any branch of mine that does not bear fruit he trims away, and he prunes every branch that bears fruit, to make it bear more.

Acts 15:24

As we have heard that some of our number, without any instructions from us, have disturbed you by their teaching and unsettled your minds,

Romans 9:6

Not that God's message has failed. For not everybody who is descended from Israel really belongs to Israel,

Romans 11:5-6

So too at the present time there is a remnant selected by God's mercy.

2 Timothy 2:10

For that reason I am ready to submit to anything for the sake of those whom God has chosen, so that they too may gain the salvation that comes through Christ Jesus and brings eternal glory.

2 Timothy 2:19

Yet God's solid foundation stands unshaken, bearing this inscription, "The Lord knows those who belong to him," and "Everyone who uses the name of the Lord must give up evil."

2 Timothy 3:9

But they will not make much progress, for everyone will perceive their folly, just as they did that of those others.

Hebrews 10:39

But we will not draw back and perish, but we will have faith and save our souls.

1 Peter 1:2-5

whom God the Father has chosen and predestined by the consecration of the Spirit to be obedient to Jesus Christ, and to be sprinkled with his blood; God bless you and give you perfect peace.

2 Peter 2:20-21

For if after men have escaped the corrupting influences of the world through the knowledge of the Lord and Savior Jesus Christ, they again become entangled in them and are overcome by them, their final condition is worse than their former one.

Jude 1:1

Jude, a slave of Jesus Christ, and the brother of James, to those who have been called, who are dear to God the Father and have been kept through union with Jesus Christ;

Jude 1:19

These are the men who create division; they are animal and devoid of the Spirit.

Treasury of Scripture Knowledge

Summary

They went out from us, but they were not of us; for if they had been of us, they would no doubt have continued with us: but they went out, that they might be made manifest that they were not all of us.

Bible References

Went out

Matthew 13:20
And what was sown upon the rocky soil means the man who hears the message and at once accepts it joyfully,
Mark 4:5
Some of it fell on rocky ground, and where there was not much soil, and it sprang up at once because the soil was not deep,
Luke 8:13
The ones on the rock are those who receive the message joyfully when they first hear it, but it takes no real root. They believe for a little while, and then in the time of trial they draw back.
John 15:2
Any branch of mine that does not bear fruit he trims away, and he prunes every branch that bears fruit, to make it bear more.
Acts 15:24
As we have heard that some of our number, without any instructions from us, have disturbed you by their teaching and unsettled your minds,
Acts 20:30
and from your own number men will appear and teach perversions of the truth in order to draw the disciples away after them.
2 Peter 2:20
For if after men have escaped the corrupting influences of the world through the knowledge of the Lord and Savior Jesus Christ, they again become entangled in them and are overcome by them, their final condition is worse than their former one.
Jude 1:19
These are the men who create division; they are animal and devoid of the Spirit.

They might

Romans 9:6
Not that God's message has failed. For not everybody who is descended from Israel really belongs to Israel,
Romans 11:5
So too at the present time there is a remnant selected by God's mercy.
1 Corinthians 11:19
Doubtless there must be parties among you, if those who are right are to be recognized among you.
2 Timothy 3:9
But they will not make much progress, for everyone will perceive their folly, just as they did that of those others.
Hebrews 10:39
But we will not draw back and perish, but we will have faith and save our souls.

General references

Matthew 25:2
Now five of them were foolish and five were sensible.
John 10:5
But they will never follow a stranger but will run away from him, because they do not know the voices of strangers."
1 Timothy 5:15
For some widows have already turned aside to follow Satan.