1 John 2:19

They went out from us, but they were not of us; for if they had been of us, they had remained with us, but, that they might be manifested, that they are not all of us.

Acts 20:30

And of yourselves shall men arise, speaking perverse things, to tear away disciples after them.

1 Corinthians 11:19

For there must be also sects among you, that the tried might be made manifest among you.

Deuteronomy 13:13

Men, sons of Belial went forth from the midst of thee, and they will thrust away the inhabitants of their city, saying, We will go and serve other gods which ye knew not;

Job 17:9

And the just shall hold on his way, and the clean one of hands shall add strength.

Psalm 37:28

For Jehovah love's judgment, and he will not forsake his godly ones; forever they were watched, and the seed of the unjust was cut off.

Psalm 41:9

Also the man of my peace whom I trusted in him, eating my bread, magnified the heel against me.

Psalm 125:1-2

Song of ascensions. They trusting in Jehovah are as mount Zion; it shall not be moved; remaining forever.

Jeremiah 32:38-40

And they were to me for a people, and I will be to them for God.

Matthew 13:20-21

And he having sown upon rocky places, this is he hearing the word, and quickly with joy receiving it;

Matthew 24:24

For false Christs, and false prophets, shall be raised up, and give great signs and wonders; so as to deceive, if possible, also the chosen.

Mark 4:5-6

And other fell upon stony places, where it had not much earth; and quickly it sprang forth, for it had no deepness of earth:

Mark 4:16-17

And these are likewise they sown upon stony places; who, when they hear, quickly with joy receive it;

Mark 13:22

For false Christs and false prophets shall be raised up, and shall give signs and wonders, to deceive, if possible, also the chosen.

Luke 8:13

And they upon the rock, who, when they hear, with joy receive the word; and they have no root, who for a time believe, and in time of trial fly away.

John 4:14

But whoever should drink of the water which I shall give him, shall never thirst; but the water which I shall give him shall be in him a spring of water springing up to eternal life.

John 6:37-39

All that the Father gives me shall come to me; and he coming to me I will not cast out.

John 10:28-30

And I give them eternal life; and they shall never perish, and no one shall snatch them out of my hand.

John 15:2

Every branch in me not bearing fruit he takes away: and every one bearing fruit, he cleanses it, that it might bear more fruit.

Acts 15:24

Since we heard that certain of us having come out have troubled you with words, destroying your souls, saying, To be circumcised, and keep the law: to whom we sent no word:

Romans 9:6

And not as that the word of God has fallen through. For not they all of Israel, they which of Israel:

Romans 11:5-6

So then also in the time now has been a remnant according to the election of grace.

2 Timothy 2:10

For this I endure all things for the chosen, that they also might attain the salvation which is in Christ Jesus with eternal glory.

2 Timothy 2:19

Truly the firm foundation of God has stood, having this seal, The Lord knows them being his. And, Let every one naming the name of Christ remove from iniquity.

2 Timothy 3:9

But they shall proceed no further: for their folly shall be manifest to all, as theirs also was.

Hebrews 10:39

And we are not of drawing down to perdition; but of faith to the acquisition of the soul.

1 Peter 1:2-5

According to the foreknowledge of God the Father, in the consecration 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 the pollutions of the world by the knowledge of our Lord and Savior Jesus Christ, and again entangling with these, they be conquered, the last things have been to them worse than the first.

Jude 1:1

Jude, servant of Jesus Christ, and brother of James, to the consecrated in God the Father, and the kept in Jesus Christ, the called:

Jude 1:19

These are they separating themselves, sensual, not having 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

Deuteronomy 13:13
Men, sons of Belial went forth from the midst of thee, and they will thrust away the inhabitants of their city, saying, We will go and serve other gods which ye knew not;
Psalm 41:9
Also the man of my peace whom I trusted in him, eating my bread, magnified the heel against me.
Matthew 13:20
And he having sown upon rocky places, this is he hearing the word, and quickly with joy receiving it;
Mark 4:5
And other fell upon stony places, where it had not much earth; and quickly it sprang forth, for it had no deepness of earth:
Luke 8:13
And they upon the rock, who, when they hear, with joy receive the word; and they have no root, who for a time believe, and in time of trial fly away.
John 15:2
Every branch in me not bearing fruit he takes away: and every one bearing fruit, he cleanses it, that it might bear more fruit.
Acts 15:24
Since we heard that certain of us having come out have troubled you with words, destroying your souls, saying, To be circumcised, and keep the law: to whom we sent no word:
Acts 20:30
And of yourselves shall men arise, speaking perverse things, to tear away disciples after them.
2 Peter 2:20
For if having escaped the pollutions of the world by the knowledge of our Lord and Savior Jesus Christ, and again entangling with these, they be conquered, the last things have been to them worse than the first.
Jude 1:19
These are they separating themselves, sensual, not having the Spirit.

They might

Romans 9:6
And not as that the word of God has fallen through. For not they all of Israel, they which of Israel:
Romans 11:5
So then also in the time now has been a remnant according to the election of grace.
1 Corinthians 11:19
For there must be also sects among you, that the tried might be made manifest among you.
2 Timothy 3:9
But they shall proceed no further: for their folly shall be manifest to all, as theirs also was.
Hebrews 10:39
And we are not of drawing down to perdition; but of faith to the acquisition of the soul.

General references

Matthew 25:2
And five of them were discerning, and five foolish.
John 10:5
And a stranger they would not follow, but they will flee from him : for they know not the voice of strangers.
1 Timothy 5:15
For already have some turned aside after Satan.