Revelation 15:5-6

 "And behold, I am coming quickly. 

Blessed is he who heeds the words of the prophecy of this book."     

Revelation 22:7  NASB

After this I looked, and I saw in heaven the temple--that is, the tabernacle of the covenant law--and it was opened. Out of the temple came the seven angels with the seven plagues. They were dressed in clean, shining linen and wore golden sashes around their chests. 

After this I looked, and I saw in heaven the temple 
Revelation 11:19  Then God's temple in heaven was opened, and within his temple was seen the ark of his covenant. And there came flashes of lightning, rumblings, peals of thunder, an earthquake and a severe hailstorm.

that is, the tabernacle of the covenant law 
Exodus 38:21  These are the amounts of the materials used for the tabernacle, the tabernacle of the covenant law, which were recorded at Moses' command by the Levites under the direction of Ithamar son of Aaron the priest.
Numbers 1:50  "Instead, appoint the Levites to be in charge of the tabernacle of the covenant law--over all its furnishings and everything belonging to it. They are to carry the tabernacle and all its furnishings; they are to take care of it and encamp around it."

and it was opened 
Matthew 3:16  As soon as Jesus was baptized, he went up out of the water. At that moment heaven was opened, and he saw the Spirit of God descending like a dove and alighting  on him.

Out of the temple 
Revelation 14:15  Then another angel came out of the temple and called in a loud voice to him who was sitting on the cloud, "Take your sickle and reap, because the time to reap has come, for the harvest of the earth is ripe."

came the seven angels with the seven plagues 
Revelation 15:1  I saw in heaven another great and marvelous sign: seven angels with the seven last plagues--last, because with them God's wrath is completed.

They were dressed in clean, shining linen 
Ezekiel 9:2  And I saw six men coming from the direction of the upper gate, which faces north, each with a deadly weapon in his hand. With them was a man clothed in linen who had a writing kit at his side. They came in and stood beside the bronze altar.
Daniel 10:5  I looked up and there before me was a man dressed in linen, with a belt of fine gold from Uphaz around his waist.

and wore golden sashes around their chests 
Revelation 1:12-13  I turned around to see the voice that was speaking to me. And when I turned I saw seven golden lampstands, and among the lampstands was someone like a son of man, dressed in a robe reaching down to his feet and with a golden sash around his chest.

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
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