Revelation 11:3

by virtue of my power, my two witnesses shall prophesy a thousand two hundred and threescore days cloathed in sackcloth.

Revelation 11:2

but don't measure the court which is without; for it is given to the Gentiles: and the holy city shall they trample under foot two and forty months.

Revelation 12:6

but the woman fled into the wilderness, where God had prepared a place for her maintenance, during a thousand two hundred and threescore days.

Matthew 18:16

but if he will not hear thee, then take with thee one or two more, that the remonstrances of two or three persons may have its effect.

Luke 24:48

you are witnesses of these things.

John 3:5-8

Jesus answered, I tell thee, except a man be renewed by the spiritual baptism, he cannot enter into the kingdom of God.

John 3:27

but John made them this answer, a man can have no authority, but what he derives from heaven.

John 15:27

and ye also shall bear witness, because ye have been with me from the beginning.

Acts 1:8

but ye shall receive the influence of the holy spirit, which will descend upon you: and ye shall be witnesses for me, in Jerusalem, in all Judea, and in Samaria, and to the remotest part of the earth.

Acts 2:32

'tis this Jesus whom God hath raised up, of which we all are witnesses.

Acts 3:15

but killed the prince of life, whom God hath raised from the dead; whereof we are witnesses.

Acts 13:31

and for many days he was seen by those, who had accompany'd him from Galilee to Jerusalem: and they are now his witnesses to the people.

1 Corinthians 12:28

which God has placed in the church, first apostles, next prophets, then teachers, after that miracles, then gifts of healings, assistants, governours, interpreters of languages.

2 Corinthians 13:1

This is the third time I am coming to you: "in the mouth of two or three witnesses shall every word be established."

Ephesians 4:11

It is he then that made some, apostles: some, prophets: some, evangelists: and others, pastors, and teachers:

Revelation 1:5

and from Jesus Christ, who is the faithful witness, the first-born of the dead, and the prince of the kings of the earth: unto him that loved us, and washed us from our sins by his own blood,

Revelation 13:5

there was given to him a mouth speaking great things, and blasphemy; and power was given to him for two and forty months.

Revelation 19:10

then I fell at his seet to worship him: but he said to me, "forbear: I am the servant of God, as you and your brethren are, that bear testimony to Jesus: worship God: for to give testimony to Jesus, is the very design of prophecy."

Revelation 20:4

I saw likewise thrones, where persons were seated, to whom the power of judging was given: and I saw the souls of those that were beheaded for the testimony they had given to Jesus, and for the word of God, who had not worshipped the beast, nor his image, nor had received his mark upon their foreheads, or in their hands; and they lived and reigned with Christ a thousand years.

Treasury of Scripture Knowledge

Summary

And I will give power unto my two witnesses, and they shall prophesy a thousand two hundred and threescore days, clothed in sackcloth.

They shall

Clothed

General references

Bible References

I will give power, etc

John 3:27
but John made them this answer, a man can have no authority, but what he derives from heaven.
1 Corinthians 12:28
which God has placed in the church, first apostles, next prophets, then teachers, after that miracles, then gifts of healings, assistants, governours, interpreters of languages.
Ephesians 4:11
It is he then that made some, apostles: some, prophets: some, evangelists: and others, pastors, and teachers:

Witnesses

Revelation 20:4
I saw likewise thrones, where persons were seated, to whom the power of judging was given: and I saw the souls of those that were beheaded for the testimony they had given to Jesus, and for the word of God, who had not worshipped the beast, nor his image, nor had received his mark upon their foreheads, or in their hands; and they lived and reigned with Christ a thousand years.
Luke 24:48
you are witnesses of these things.
John 15:27
and ye also shall bear witness, because ye have been with me from the beginning.
Acts 1:8
but ye shall receive the influence of the holy spirit, which will descend upon you: and ye shall be witnesses for me, in Jerusalem, in all Judea, and in Samaria, and to the remotest part of the earth.
Acts 2:32
'tis this Jesus whom God hath raised up, of which we all are witnesses.
Acts 3:15
but killed the prince of life, whom God hath raised from the dead; whereof we are witnesses.
Acts 13:31
and for many days he was seen by those, who had accompany'd him from Galilee to Jerusalem: and they are now his witnesses to the people.

They shall

Revelation 19:10
then I fell at his seet to worship him: but he said to me, "forbear: I am the servant of God, as you and your brethren are, that bear testimony to Jesus: worship God: for to give testimony to Jesus, is the very design of prophecy."

A thousand

Revelation 11:2
but don't measure the court which is without; for it is given to the Gentiles: and the holy city shall they trample under foot two and forty months.
Revelation 12:6
but the woman fled into the wilderness, where God had prepared a place for her maintenance, during a thousand two hundred and threescore days.

Clothed

John 3:5
Jesus answered, I tell thee, except a man be renewed by the spiritual baptism, he cannot enter into the kingdom of God.

General references

Romans 9:2
that I have great heaviness, and continual sorrow in my heart.