1 John 2:19

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 this happened that it might be made manifest that they were not all of us.

Acts 20:30

Also from among your own selves, men shall arise, speaking perverse things to draw away disciples after themselves.

1 Corinthians 11:19

For it is expedient that there also be heresies among you, so that those who are proved may become manifest among you.

Deuteronomy 13:13

certain men, the sons of Belial, are gone out from among you and have incited the inhabitants of their city, saying, Let us go and serve other gods, which ye have not known,

Job 17:9

The righteous shall hold on to his way, and he that has clean hands shall be stronger and stronger.

Psalm 37:28

For the LORD loves uprightness and does not forsake his merciful ones; they are preserved for ever, but the seed of the wicked shall be cut off.

Psalm 41:9

Even the man of my peace, in whom I trusted, who ate of my bread, has lifted up his heel against me.

Psalm 125:1-2

Those that trust in the LORD are as Mount Zion, which cannot be removed but abides for ever.

Jeremiah 32:38-40

and they shall be my people, and I will be their God:

Matthew 13:20-21

But he that was planted in stony places, the same is he that hears the word and receives it immediately with joy;

Matthew 24:24

For there shall arise false Christs and false prophets and shall show great signs and wonders in such a manner that they shall deceive, if possible, the very elect.

Mark 4:5-6

And some fell on stony ground where it had not much earth, and immediately it sprang up because it had no depth of earth;

Mark 4:16-17

And likewise these are those who are sown on stony ground, who when they have heard the word immediately receive it with gladness

Mark 13:22

for false Christs and false prophets shall rise and shall show signs and wonders to seduce, if possible, even the elect.

Luke 8:13

Those on the rock are those that when they hear, receive the word with joy, but these have no root, who for a while believe and in time of temptation fall away.

John 4:14

but whosoever drinks of the water that I shall give him shall never thirst, but the water that I shall give him shall be in him a fountain of water springing up into eternal life.

John 6:37-39

All that the Father gives me shall come to me, and he that comes to me I will in no wise cast out.

John 10:28-30

and I give unto them eternal life; and they shall never perish, neither shall anyone pluck them out of my hand.

John 15:2

Every branch in me that does not bear fruit he shall take away; and every one that bears fruit, he shall purge that they may bring forth more fruit.

Acts 15:24

forasmuch as we have heard that certain ones who went out from us have troubled you with words, subverting your souls, saying, Ye must be circumcised and keep the law, to whom we gave no such commandment,

Romans 9:6

Not as though the word of God has been deficient. For not all the descendants of Israel are Israelites;

Romans 11:5-6

Even so then at this present time also, there is a remnant by the gracious election of God.

2 Timothy 2:10

Therefore, I endure all things for the sake of the elect, that they may also obtain the saving health which is in Christ Jesus with eternal glory.

2 Timothy 2:19

Nevertheless, the foundation of God stands sure, having this seal, The Lord knows those that are his. And, Let every one that names the name of Christ depart from iniquity.

2 Timothy 3:9

But they shall not prevail, for their folly shall be manifest unto all men, as that of those also was.

Hebrews 10:39

But we are not of those who draw back unto perdition, but faithful unto the saving of the soul.

1 Peter 1:2-5

chosen (according to the foreknowledge of God the Father) in sanctification of the Spirit, to obey and be sprinkled with the blood of Jesus, the Christ, Grace and peace, be multiplied unto you.

2 Peter 2:20-21

Certainly, if having separated themselves from the contaminations of the world, by the knowledge of the Lord and Saviour Jesus Christ, they again entangle themselves therein and are overcome, their latter end is made worse for them than the beginnings.

Jude 1:1

Jude, slave of Jesus Christ, and brother of James, to those that are called, sanctified in God the Father, and preserved in Jesus Christ:

Jude 1:19

These are those who make divisions, and are as animals, 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
certain men, the sons of Belial, are gone out from among you and have incited the inhabitants of their city, saying, Let us go and serve other gods, which ye have not known,
Psalm 41:9
Even the man of my peace, in whom I trusted, who ate of my bread, has lifted up his heel against me.
Matthew 13:20
But he that was planted in stony places, the same is he that hears the word and receives it immediately with joy;
Mark 4:5
And some fell on stony ground where it had not much earth, and immediately it sprang up because it had no depth of earth;
Luke 8:13
Those on the rock are those that when they hear, receive the word with joy, but these have no root, who for a while believe and in time of temptation fall away.
John 15:2
Every branch in me that does not bear fruit he shall take away; and every one that bears fruit, he shall purge that they may bring forth more fruit.
Acts 15:24
forasmuch as we have heard that certain ones who went out from us have troubled you with words, subverting your souls, saying, Ye must be circumcised and keep the law, to whom we gave no such commandment,
Acts 20:30
Also from among your own selves, men shall arise, speaking perverse things to draw away disciples after themselves.
2 Peter 2:20
Certainly, if having separated themselves from the contaminations of the world, by the knowledge of the Lord and Saviour Jesus Christ, they again entangle themselves therein and are overcome, their latter end is made worse for them than the beginnings.
Jude 1:19
These are those who make divisions, and are as animals, not having the Spirit.

They might

Romans 9:6
Not as though the word of God has been deficient. For not all the descendants of Israel are Israelites;
Romans 11:5
Even so then at this present time also, there is a remnant by the gracious election of God.
1 Corinthians 11:19
For it is expedient that there also be heresies among you, so that those who are proved may become manifest among you.
2 Timothy 3:9
But they shall not prevail, for their folly shall be manifest unto all men, as that of those also was.
Hebrews 10:39
But we are not of those who draw back unto perdition, but faithful unto the saving of the soul.

General references

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