1 John 2:19

out of us they went forth, but they were not of us, for if they had been of us, they would have remained with us; but -- that they might be manifested that they are not all of us.

Acts 20:30

and of your own selves there shall arise men, speaking perverse things, to draw away the disciples after them.

1 Corinthians 11:19

for it behoveth sects also to be among you, that those approved may become manifest among you;

Deuteronomy 13:13

Men, sons of worthlessness, have gone out of thy midst, and they force away the inhabitants of their city, saying, Let us go and serve other gods, which ye have not known --

Job 17:9

And the righteous layeth hold on his way, And the clean of hands addeth strength, And -- dumb are they all.

Psalm 37:28

For Jehovah is loving judgment, And He doth not forsake His saintly ones, To the age they have been kept, And the seed of the wicked is cut off.

Psalm 41:9

Even mine ally, in whom I trusted, One eating my bread, made great the heel against me,

Psalm 125:1-2

A Song of the Ascents. Those trusting in Jehovah are as Mount Zion, It is not moved -- to the age it abideth.

Jeremiah 32:38-40

and they have been to Me for a people, and I am to them for God;

Matthew 13:20-21

'And that sown on the rocky places, this is he who is hearing the word, and immediately with joy is receiving it,

Matthew 24:24

for there shall arise false Christs, and false prophets, and they shall give great signs and wonders, so as to lead astray, if possible, also the chosen.

Mark 4:5-6

and other fell upon the rocky ground, where it had not much earth, and immediately it sprang forth, because of not having depth of earth,

Mark 4:16-17

'And these are they, in like manner, who on the rocky ground are sown: who, whenever they may hear the word, immediately with joy do receive it,

Mark 13:22

for there shall rise false Christs and false prophets, and they shall give signs and wonders, to seduce, if possible, also the chosen;

Luke 8:13

'And those upon the rock: They who, when they may hear, with joy do receive the word, and these have no root, who for a time believe, and in time of temptation fall away.

John 4:14

but whoever may drink of the water that I will give him, may not thirst -- to the age; and the water that I will give him shall become in him a well of water, springing up to life age-during.'

John 6:37-39

all that the Father doth give to me will come unto me; and him who is coming unto me, I may in no wise cast without,

John 10:28-30

and life age-during I give to them, and they shall not perish -- to the age, and no one shall pluck them out of my hand;

John 15:2

every branch in me not bearing fruit, He doth take it away, and every one bearing fruit, He doth cleanse by pruning it, that it may bear more fruit;

Acts 15:24

seeing we have heard that certain having gone forth from us did trouble you with words, subverting your souls, saying to be circumcised and to keep the law, to whom we did give no charge,

Romans 9:6

And it is not possible that the word of God hath failed; for not all who are of Israel are these Israel;

Romans 11:5-6

So then also in the present time a remnant according to the choice of grace there hath been;

2 Timothy 2:10

because of this all things do I endure, because of the choice ones, that they also salvation may obtain that is in Christ Jesus, with glory age-during.

2 Timothy 2:19

sure, nevertheless, hath the foundation of God stood, having this seal, 'The Lord hath known those who are His,' and 'Let him depart from unrighteousness -- every one who is naming the name of Christ.'

2 Timothy 3:9

but they shall not advance any further, for their folly shall be manifest to all, as theirs also did become.

Hebrews 10:39

and we are not of those drawing back to destruction, but of those believing to a preserving of soul.

1 Peter 1:2-5

according to a foreknowledge of God the Father, in sanctification of the Spirit, to obedience and sprinkling of the blood of Jesus Christ: Grace to you and peace be multiplied!

2 Peter 2:20-21

for, if having escaped from the pollutions of the world, in the acknowledging of the Lord and Saviour Jesus Christ, and by these again being entangled, they have been overcome, become to them hath the last things worse than the first,

Jude 1:1

Judas, of Jesus Christ a servant, and brother of James, to those sanctified in God the Father, and in Jesus Christ kept -- called,

Jude 1:19

these are those setting themselves apart, natural men, the Spirit not having.

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

Deuteronomy 13:13
Men, sons of worthlessness, have gone out of thy midst, and they force away the inhabitants of their city, saying, Let us go and serve other gods, which ye have not known --
Psalm 41:9
Even mine ally, in whom I trusted, One eating my bread, made great the heel against me,
Matthew 13:20
'And that sown on the rocky places, this is he who is hearing the word, and immediately with joy is receiving it,
Mark 4:5
and other fell upon the rocky ground, where it had not much earth, and immediately it sprang forth, because of not having depth of earth,
Luke 8:13
'And those upon the rock: They who, when they may hear, with joy do receive the word, and these have no root, who for a time believe, and in time of temptation fall away.
John 15:2
every branch in me not bearing fruit, He doth take it away, and every one bearing fruit, He doth cleanse by pruning it, that it may bear more fruit;
Acts 15:24
seeing we have heard that certain having gone forth from us did trouble you with words, subverting your souls, saying to be circumcised and to keep the law, to whom we did give no charge,
Acts 20:30
and of your own selves there shall arise men, speaking perverse things, to draw away the disciples after them.
2 Peter 2:20
for, if having escaped from the pollutions of the world, in the acknowledging of the Lord and Saviour Jesus Christ, and by these again being entangled, they have been overcome, become to them hath the last things worse than the first,
Jude 1:19
these are those setting themselves apart, natural men, the Spirit not having.

They might

Romans 9:6
And it is not possible that the word of God hath failed; for not all who are of Israel are these Israel;
Romans 11:5
So then also in the present time a remnant according to the choice of grace there hath been;
1 Corinthians 11:19
for it behoveth sects also to be among you, that those approved may become manifest among you;
2 Timothy 3:9
but they shall not advance any further, for their folly shall be manifest to all, as theirs also did become.
Hebrews 10:39
and we are not of those drawing back to destruction, but of those believing to a preserving of soul.

General references

Matthew 25:2
and five of them were prudent, and five foolish;
John 10:5
and a stranger they will not follow, but will flee from him, because they have not known the voice of strangers.'
1 Timothy 5:15
for already certain did turn aside after the Adversary.