Revelation 11:4

These [two witnesses] are the two olive trees and the two lampstands that stand in front of the Lord of the earth.

Matthew 5:14-16

You people are [like] light in the world. A city built on a hill will not go unnoticed.

Luke 11:33

"No one lights an [olive oil] lamp and [then] places it in a hidden place or under a bushel-sized container, but on its stand, so that those who enter [the room] can see [by] the light.

Romans 11:17

But some of the branches [of a cultivated olive tree] were broken off [i.e., God's rejection of the Jews] and you [Gentiles], representing a wild olive tree [branch], were grafted into it. So then, you [Gentiles] were able to benefit from the roots and sap of the olive tree, along with the Jews.

Revelation 1:20

The secret of the seven stars that you saw in my right hand and the seven golden lampstands [is this]: The seven stars are the angels [i.e., messengers] of the seven churches. And the seven lampstands are the seven churches."

Treasury of Scripture Knowledge

Summary

These are the two olive trees, and the two candlesticks standing before the God of the earth.

Two olive

Bible References

Two olive

Romans 11:17
But some of the branches [of a cultivated olive tree] were broken off [i.e., God's rejection of the Jews] and you [Gentiles], representing a wild olive tree [branch], were grafted into it. So then, you [Gentiles] were able to benefit from the roots and sap of the olive tree, along with the Jews.

Two candlesticks

Revelation 1:20
The secret of the seven stars that you saw in my right hand and the seven golden lampstands [is this]: The seven stars are the angels [i.e., messengers] of the seven churches. And the seven lampstands are the seven churches."
Matthew 5:14
You people are [like] light in the world. A city built on a hill will not go unnoticed.
Luke 11:33
"No one lights an [olive oil] lamp and [then] places it in a hidden place or under a bushel-sized container, but on its stand, so that those who enter [the room] can see [by] the light.