Matthew 25:32

and all nations shall be gathered before Him: and He will separate them from one another, as a shepherd separates the sheep from the goats:

Matthew 13:49

So it will be in the end of the age: the angels will go forth, and will separate the wicked from the midst of the righteous,

2 Corinthians 5:10

For it behooves us all to appear before the judgment-seat of Christ, in order that each one may receive according to those things which he has done through the body, whether good or evil.

Matthew 3:12

Whose fan is in His hand, and He will thoroughly purify His threshing-floor, and gather His wheat into the garner, and will burn up the chaff with unquenchable fire.

Matthew 13:42-43

and will cast them into the furnace of the fire: and there shall be weeping and gnashing of teeth.

John 10:14

I am the Good Shepherd; I know mine, and mine know me,

John 10:27

My sheep hear my voice, and I know them, and they follow me:

Acts 17:30-31

Then indeed God winking at the times of ignorance, now commands all men everywhere to repent:

Romans 2:12

For so many as sinned without law will also perish without law; and so many as sinned under the law shall be judged by the law;

Romans 2:16

in the day when God will judge the secrets of men through my gospel according to Jesus Christ.

Romans 14:10-12

But why do you judge your neighbor, or indeed why do you discount your brother? for we shall all stand before the judgment-seat of God.

1 Corinthians 4:5

So judge nothing before the time, until the Lord may come, who will also bring to light the hidden things of darkness, and make manifest the counsels of the hearts; and then praise shall be to each one from God.

Revelation 20:12-15

And I saw the dead, great and small, standing before the throne; and the books were opened, and another book was opened, which is the book of life: and the dead were judged out of the things which were written in the books, according to their works.

Treasury of Scripture Knowledge

Summary

And before him shall be gathered all nations: and he shall separate them one from another, as a shepherd divideth his sheep from the goats:

Bible References

Before

Acts 17:30
Then indeed God winking at the times of ignorance, now commands all men everywhere to repent:
Romans 2:12
For so many as sinned without law will also perish without law; and so many as sinned under the law shall be judged by the law;
Romans 14:10
But why do you judge your neighbor, or indeed why do you discount your brother? for we shall all stand before the judgment-seat of God.
2 Corinthians 5:10
For it behooves us all to appear before the judgment-seat of Christ, in order that each one may receive according to those things which he has done through the body, whether good or evil.
Revelation 20:12
And I saw the dead, great and small, standing before the throne; and the books were opened, and another book was opened, which is the book of life: and the dead were judged out of the things which were written in the books, according to their works.

He shall separate

Matthew 3:12
Whose fan is in His hand, and He will thoroughly purify His threshing-floor, and gather His wheat into the garner, and will burn up the chaff with unquenchable fire.
Matthew 13:42
and will cast them into the furnace of the fire: and there shall be weeping and gnashing of teeth.
1 Corinthians 4:5
So judge nothing before the time, until the Lord may come, who will also bring to light the hidden things of darkness, and make manifest the counsels of the hearts; and then praise shall be to each one from God.

As

John 10:14
I am the Good Shepherd; I know mine, and mine know me,