Revelation 2:5

Therefore remember from where you have fallen, and repent, and do the first works, or else I will come to you quickly and will remove your lampstand out of its place unless you repent.

Revelation 2:16

Repent! But if not I will come to you quickly, and will fight with them by the sword of My mouth.

Revelation 3:19

As many as I love, I rebuke and chasten; therefore be zealous and repent.

Isaiah 1:26

And I will restore your judges as at first, and your counselors as at the beginning; afterwards you shall be called the city of righteousness, the faithful city.

Isaiah 14:12

How you are fallen from the heavens, O shining star, son of the morning! How you are cut down to the ground, you who weakened the nations!

Jeremiah 2:2-3

Go and cry in the ears of Jerusalem, saying, So says Jehovah, I remember you, the kindness of your youth, the love of your betrothals, when you went after Me in the wilderness, in a land not sown.

Ezekiel 16:61-63

And you shall remember your ways and be ashamed, when you shall receive your sisters, your older and your younger. And I will give them to you for daughters, but not by your covenant.

Ezekiel 20:43

And there you shall remember your ways and all your doings in which you have been defiled. And you shall despise yourselves in your own sight for all your evils which you have committed.

Ezekiel 36:31

And you shall remember your own evil ways, and your doings that were not good, and shall despise yourselves in your own sight for your iniquities and for your abominations.

Hosea 9:10

I found Israel like grapes in the wilderness. I saw your fathers as the first-fruit in the fig tree at her first time. But they went to Baal-peor and set themselves apart to a shameful thing; and they became abominable like that which they loved.

Hosea 14:1

O Israel, return to Jehovah your God, for you have fallen by your iniquity.

Malachi 3:4

Then the food offering of Judah and Jerusalem shall be pleasing to Jehovah, as in the days of old and as in former years.

Malachi 4:6

And he shall turn the heart of the fathers to the sons, and the heart of the sons to their fathers, that I not come and strike the earth with utter destruction.

Matthew 21:41-43

They said to Him, Bad men! He will miserably destroy them and will rent out his vineyard to other vinedressers who will give him the fruits in their seasons.

Matthew 24:48-51

But if that evil servant shall say in his heart, My Lord delays His coming,

Mark 12:9

Therefore what will the lord of the vineyard do? He will come and destroy the vinedressers and will give the vineyard to others.

Luke 1:17

And he shall go before Him in the spirit and power of Elijah, to turn the hearts of the fathers to the children, and the disobedient to the wisdom of the just, to make ready a people prepared for the Lord.

Luke 12:45-46

But if that servant says in his heart, My lord delays his coming, and shall begin to beat the male servants and women servants, and to eat and drink and to be drunk,

Luke 20:16

He shall come and destroy these vinedressers and shall give the vineyard to others. And when they heard this, they said, Let it not be!

Acts 17:30-31

Truly, then, God overlooking the times of ignorance, now He strictly commands all men everywhere to repent,

Galatians 5:4

you who are justified by Law are deprived of all effect from Christ; you fell from grace.

Hebrews 10:32

But call to memory the former days, in which (after you were illuminated) you endured a great fight of afflictions,

2 Peter 1:12-13

Therefore I will not neglect to put you always in remembrance of these things, though you know them and are established in the present truth.

Jude 1:24

Now to Him being able to keep you without stumbling, and to set you before His glory without blemish, with unspeakable joy;

Revelation 1:20

the mystery of the seven stars which you saw in My right hand and the seven golden lampstands. The seven stars are the angels of the seven churches, and the seven lampstands which you saw are the seven churches.

Revelation 2:2

I know your works and your labor and your patience, and how you cannot bear those who are evil. And you tried those pretending to be apostles, and are not, and have found them liars.

Revelation 2:19

I know your works and love and service and faith and your patience, and your works; and the last to be more than the first.

Revelation 2:21-22

And I gave her time that she might repent of her fornication, and she did not repent.

Revelation 3:2-3

Be watchful and strengthen the things which remain, that are ready to die. For I have not found your works being fulfilled before God.

Revelation 9:20-21

And the rest of the men who were not killed by these plagues still did not repent of the works of their hands, that they should not worship demons, and golden, and silver, and bronze, and stone, and wooden idols (which neither can see, nor hear, nor walk).

Revelation 16:9

And men were burned with great heat. And they blasphemed the name of God, He having authority over these plagues. And they did not repent in order to give Him glory.

Treasury of Scripture Knowledge

Summary

Remember therefore from whence thou art fallen, and repent, and do the first works; or else I will come unto thee quickly, and will remove thy candlestick out of his place, except thou repent.

Bible References

Remember

Revelation 3:3
Remember then how you have received and heard, and hold fast, and repent. Therefore if you will not watch, I will come upon you as a thief, and you will not know what hour I will come upon you.
Ezekiel 16:61
And you shall remember your ways and be ashamed, when you shall receive your sisters, your older and your younger. And I will give them to you for daughters, but not by your covenant.
Ezekiel 20:43
And there you shall remember your ways and all your doings in which you have been defiled. And you shall despise yourselves in your own sight for all your evils which you have committed.
Ezekiel 36:31
And you shall remember your own evil ways, and your doings that were not good, and shall despise yourselves in your own sight for your iniquities and for your abominations.
2 Peter 1:12
Therefore I will not neglect to put you always in remembrance of these things, though you know them and are established in the present truth.

Thou art

Isaiah 14:12
How you are fallen from the heavens, O shining star, son of the morning! How you are cut down to the ground, you who weakened the nations!
Hosea 14:1
O Israel, return to Jehovah your God, for you have fallen by your iniquity.
Galatians 5:4
you who are justified by Law are deprived of all effect from Christ; you fell from grace.
Jude 1:24
Now to Him being able to keep you without stumbling, and to set you before His glory without blemish, with unspeakable joy;

And repent

Revelation 2:16
Repent! But if not I will come to you quickly, and will fight with them by the sword of My mouth.
Revelation 3:3
Remember then how you have received and heard, and hold fast, and repent. Therefore if you will not watch, I will come upon you as a thief, and you will not know what hour I will come upon you.
Revelation 9:20
And the rest of the men who were not killed by these plagues still did not repent of the works of their hands, that they should not worship demons, and golden, and silver, and bronze, and stone, and wooden idols (which neither can see, nor hear, nor walk).
Revelation 16:9
And men were burned with great heat. And they blasphemed the name of God, He having authority over these plagues. And they did not repent in order to give Him glory.
Acts 17:30
Truly, then, God overlooking the times of ignorance, now He strictly commands all men everywhere to repent,

And do

Revelation 2:19
I know your works and love and service and faith and your patience, and your works; and the last to be more than the first.
Revelation 3:2
Be watchful and strengthen the things which remain, that are ready to die. For I have not found your works being fulfilled before God.
Isaiah 1:26
And I will restore your judges as at first, and your counselors as at the beginning; afterwards you shall be called the city of righteousness, the faithful city.
Jeremiah 2:2
Go and cry in the ears of Jerusalem, saying, So says Jehovah, I remember you, the kindness of your youth, the love of your betrothals, when you went after Me in the wilderness, in a land not sown.
Hosea 9:10
I found Israel like grapes in the wilderness. I saw your fathers as the first-fruit in the fig tree at her first time. But they went to Baal-peor and set themselves apart to a shameful thing; and they became abominable like that which they loved.
Malachi 3:4
Then the food offering of Judah and Jerusalem shall be pleasing to Jehovah, as in the days of old and as in former years.
Malachi 4:6
And he shall turn the heart of the fathers to the sons, and the heart of the sons to their fathers, that I not come and strike the earth with utter destruction.
Luke 1:17
And he shall go before Him in the spirit and power of Elijah, to turn the hearts of the fathers to the children, and the disobedient to the wisdom of the just, to make ready a people prepared for the Lord.

Else

Revelation 2:16
Repent! But if not I will come to you quickly, and will fight with them by the sword of My mouth.
Revelation 3:3
Remember then how you have received and heard, and hold fast, and repent. Therefore if you will not watch, I will come upon you as a thief, and you will not know what hour I will come upon you.
Matthew 21:41
They said to Him, Bad men! He will miserably destroy them and will rent out his vineyard to other vinedressers who will give him the fruits in their seasons.
Matthew 24:48
But if that evil servant shall say in his heart, My Lord delays His coming,
Mark 12:9
Therefore what will the lord of the vineyard do? He will come and destroy the vinedressers and will give the vineyard to others.
Luke 12:45
But if that servant says in his heart, My lord delays his coming, and shall begin to beat the male servants and women servants, and to eat and drink and to be drunk,
Luke 20:16
He shall come and destroy these vinedressers and shall give the vineyard to others. And when they heard this, they said, Let it not be!

General references

Exodus 40:24
And he put the lampstand in the tent of the congregation across from the table, on the side of the tabernacle southward.
Matthew 25:7
Then all those virgins arose and trimmed their lamps.
1 Corinthians 11:31
For if we would judge ourselves, we would not be judged.