Revelation 3:1
And to the angel of the assembly in Sardis write: He who has the seven Spirits of God, and the seven stars says these things:
I know your works, that you have a reputation of being alive, but you are dead.

Revelation 3:2
Wake up, and keep the things that remain, which you were about to throw away, for I have found no works of yours perfected before my God.

Revelation 3:3
Remember therefore how you have received and heard. Keep it, and repent. If therefore you wont watch, I will come as a thief, and you wont know what hour I will come upon you.

“Watch therefore, for you do not know in what hour your Lord comes. But know this, that if the master of the house had known in what watch of the night the thief was coming, he would have watched, and would not have allowed his house to be broken into. Therefore also be ready, for in an hour that you do not expect, the Son of Man will come.”
Matthew 24:42-44

Revelation 3:4
Nevertheless you have a few names in Sardis that did not defile their garments. They will walk with me in white, for they are worthy.

Revelation 3:5
He who overcomes will be arrayed in white garments, and I will in no way blot his name out of the book of life, and I will confess his name before my Father, and before his angels.

Revelation 3:6
He who has an ear, let him hear what the Spirit says to the assemblies.

Revelation 3:7
To the angel of the assembly in Philadelphia write: He who is holy, he who is true, he who has the key of David, he who opens and no one can shut, and who shuts and no one opens, says these things:

“And it shall come to pass in that day, that I will call my servant Elyakim the son of Hilkiah: And I will clothe him with your robe, and strengthen him with your girdle, and I will commit your government into his hand: and he shall be a father to the inhabitants of Jerusalem, and to the house of Yehudah. And the key of the house of David will I lay upon his shoulder (מפתח בית־דוד על־שׁכמו); so he shall open, and none shall shut; and he shall shut, and none shall open. And I will fasten him as a nail in a sure place; and he shall be for a glorious throne to his father’s house.”
Isaiah 22:20-23

Revelation 3:8
I know your works (behold, I have set before you an open door, which no one can shut), that you have a little power, and kept my word, and did not deny my name.

Revelation 3:9
Behold, I give of the synagogue of Satan, of those who say they are Jews, and they are not, but lie. Behold, I will make them to come and worship before your feet, and to know that I have loved you.

“The sons of those who afflicted you shall come bending to you; and all those who despised you shall bow themselves down at the soles of your feet; and they shall call you The city of the LORD, The Zion of the Holy One of Israel.”
Isaiah 60:14

Revelation 3:10
Because you kept my command to endure, I also will keep you from the hour of testing, which is to come on the whole world, to test those who dwell on the earth.

Revelation 3:11
I am coming quickly! Hold firmly that which you have, so that no one takes your crown.

Revelation 3:12
He who overcomes, I will make him a pillar in the temple of my God, and he will go out from there no more. I will write on him the name of my God, and the name of the city of my God, the new Jerusalem, which comes down out of heaven from my God, and my own new name.

“He set up the pillars at the porch of the temple: and he set up the right pillar, and called its name Yakhin, and he set up the left pillar, and called its name Boaz. On the top of the pillars was lily work: so was the work of the pillars finished.”
1 Kings 7:21-22

Revelation 3:13
He who has an ear, let him hear what the Spirit says to the assemblies.

“But when I speak with you, I will open your mouth, and you shall tell them, Thus says the Lord HaShem: He who hears, let him hear; and he who forbears, let him forbear: for they are a rebellious house.”
Ezekiel 3:27

Revelation 3:14
To the angel of the assembly in Laodicea write: The Amen, the Faithful and True Witness, the Head of God’s creation, says these things:

“He is the head of the body, the assembly, who is the beginning, the firstborn from the dead; that in all things he might have the preeminence.”
Colossians 1:18

Revelation 3:15
I know your works, that you are neither cold nor hot. I wish you were cold or hot.

Revelation 3:16
So, because you are lukewarm, and neither hot nor cold, I will vomit you out of my mouth.

Revelation 3:17
Because you say, I am rich, and have gotten riches, and have need of nothing; and do not know that you are the wretched one, miserable, poor, blind, and naked,

“There are some who pretend to be rich, yet have nothing. There are some who pretend to be poor, yet have great wealth.”
Proverbs 13:7

Revelation 3:18
I counsel you to buy from me gold refined by fire, that you may become rich, and white garments, that you may clothe yourself, and that the shame of your nakedness may not be revealed; and eye salve to anoint your eyes, that you may see.

“Buy the truth, and do not sell it. Get wisdom, discipline, and understanding.”
Proverbs 23:23

“How much better it is to get wisdom than gold! Yes, to get understanding is to be chosen rather than silver.”
Proverbs 16:16

“Therefore I love your commandments more than gold, yes, more than pure gold.”
Psalms 119:127

Revelation 3:19
As many as I love, I reprove and chasten. Be zealous therefore, and repent.

“You shall consider in your heart that as a man chastens his son, so HaShem your God chastens you.”
Deuteronomy 8:5

Revelation 3:20
Behold, I stand at the door and knock. If anyone hears my voice and opens the door, then I will come in to him, and will dine with him, and he with me.

“I sleep,” but forever “my heart is awake,” yearning for the Messiah. Through this yearning of heart, I will merit hearing, “the sound of my Beloved knocking!” Then God will do His part; He will “open for me” the gates of redemption, and bring the Messiah.”
Ben Ish Hai, Even Sheleimah, cited in Days of Peace, Ben Ish Hai Anthology, Yeshivat Ahavat Shalom Publications, pg. 15

Revelation 3:21
He who overcomes, I will give to him to sit down with me on my throne, as I also overcame, and sat down with my Father on his throne.

Revelation 3:22
He who has an ear, let him hear what the Spirit says to the assemblies.