New Revised Standard Version
Remember then from what you have fallen; repent, and do the works you did at first. If not, I will come to you and remove your lampstand from its place, unless you repent.

Contemporary English Version
Think about where you have fallen from, and then turn back and do as you did at first. If you don't turn back, I will come and take away your lampstand.

New American Bible
Realize how far you have fallen. Repent, and do the works you did at first. Otherwise, I will come to you and remove your lampstand from its place, unless you repent.

Douay-Rheims Bible
Be mindful therefore from whence thou art fallen: and do penance and do the first works. Or else I come to thee and will move thy candlestick out of its place, except thou do penance.

Be mindful therefore from whence thou art fallen: and do penance and do the first works. Or else I come to thee and will move thy candlestick out of its place, except thou do penance.

Remember.

Revelation 3:3,19 Have in mind therefore in what manner thou hast received and heard: and observe and do penance: If then thou shalt not watch, I will come to thee as a thief: and thou shalt not know at what hour I will come to thee. . . .

Ezekiel 16:61-63 And thou shalt remember thy ways, and be ashamed: when thou shalt receive thy sisters, thy elder and thy younger: and I will give them to thee for daughters, but not by thy covenant. . . .

Ezekiel 20:43 And there you shall remember your ways, and all your wicked doings with which you have been defiled; and you shall be displeased with yourselves in your own sight, for all your wicked deeds which you committed.

Ezekiel 36:31 And you shall remember your wicked ways, and your doings that were not good: and your iniquities, and your wicked deeds shall displease you.

2 Peter 1:12,13 For which cause, I will begin to put you always in remembrance of these things: though indeed you know them and are confirmed in the present truth. . . .

thou art.

Isaiah 14:12 How art thou fallen from heaven, O Lucifer, who didst rise in the morning? how art thou fallen to the earth, that didst wound the nations?

Hosea 14:1 Return, O Israel, to the Lord thy God: for thou hast fallen down by thy iniquity.

Galatians 5:4 You are made void of Christ, you who are justified in the law: you are fallen from grace.

Jude 1:24 Now to him who is able to preserve you without sin and to present you spotless before the presence of his glory with exceeding joy, in the coming of our Lord Jesus Christ:

and repent.

Revelation 2:16,21,22 In like manner do penance. If not, I will come to thee quickly and will fight against them with the sword of my mouth. . . .

Revelation 3:3,19 Have in mind therefore in what manner thou hast received and heard: and observe and do penance: If then thou shalt not watch, I will come to thee as a thief: and thou shalt not know at what hour I will come to thee. . . .

Revelation 9:20,21 And the rest of the men, who were not slain by these plagues, did not do penance from the works of their hands, that they should not adore devils and idols of gold and silver and brass and stone and wood, which neither can see nor hear nor walk: . . .

Revelation 16:9 And men were scorched with great heat: and they blasphemed the name of God, who hath power over these plagues. Neither did they penance to give him glory.

Acts 17:30,31 And God indeed having winked at the times of this ignorance, now declareth unto men that all should every where do penance. . . .

and do.

Revelation 2:19 I know thy works and thy faith and thy charity and thy ministry and thy patience and thy last works, which are more than the former.

Revelation 3:2,3 Be watchful and strengthen the things that remain, which are ready to die. For I find not thy works full before my God. . . .

Isaiah 1:26 And I will restore thy judges as they were before, and thy counsellors as of old. After this thou shalt be called the city of the just, a faithful city.

Jeremiah 2:2,3 Go, and cry in the ears of Jerusalem, saying: Thus saith the Lord: I have remembered thee, pitying thy youth, and the love of thy espousals, when thou followedst me in the desert, in a land that is not sown. . . .

Hosea 9:10 I found Israel like grapes in the desert, I saw their fathers like the firstfruits of the fig tree in the top thereof: but they went in to Beelphegor, and alienated themselves to that confusion, and became abominable, as those things were, which they loved.

Malachi 3:4 And the sacrifice of Juda and of Jerusalem shall please the Lord, as in the days of old, and in the ancient years.

Malachi 4:6 And he shall turn the heart of the fathers to the children, and the heart of the children to their fathers: lest I come, and strike the earth with anathema.

Luke 1:17 And he shall go before him in the spirit and power of Elias: that he may turn the hearts of the fathers unto the children and the incredulous to the wisdom of the just, to prepare unto the Lord a perfect people.

else.

Revelation 2:16 In like manner do penance. If not, I will come to thee quickly and will fight against them with the sword of my mouth.

Revelation 3:3 Have in mind therefore in what manner thou hast received and heard: and observe and do penance: If then thou shalt not watch, I will come to thee as a thief: and thou shalt not know at what hour I will come to thee.

Matthew 21:41-43 They say to him: He will bring those evil men to an evil end and let out his vineyard to other husbandmen that shall render him the fruit in due season. . . .

Matthew 24:48-51 But if that evil servant shall say in his heart: My lord is long a coming: . . .

Mark 12:9 What therefore will the lord of the vineyard do? He will come and destroy those husbandmen and will give the vineyard to others.

Luke 12:45,46 But if that servant shall say in his heart: My Lord is long a coming; and shall begin to strike the men-servants and maid-servants, and to eat and to drink and be drunk: . . .

Luke 20:16 He will come and will destroy these husbandmen and will give the vineyard to others. Which they hearing, said to him: God forbid.