And there was given to me a reed like a staff, saying, Rise, and measure the temple of God, and the altar, and them that worship in it.
References for Revelation 11:1
And the court which [is] without the temple cast out, and measure it not; because it has been given [up] to the nations, and the holy city shall they tread under foot forty-two months.
And I will give [power] to my two witnesses, and they shall prophesy a thousand two hundred [and] sixty days, clothed in sackcloth.
These are the two olive trees and the two lamps which stand before the Lord of the earth;
and if any one wills to injure them, fire goes out of their mouth, and devours their enemies. And if any one wills to injure them, thus must he be killed.
These have power to shut the heaven that no rain may fall during the days of their prophecy; and they have power over the waters to turn them into blood, and to smite the earth as often as they will with every plague.
References for Revelation 11:6