Revelation 8:3

And another angel came, and stood before the altar, having a golden censer; and there was given to him much incense, that he might present it with the prayers of all the saints, upon the golden altar which was before the throne.

Revelation 3:20

Behold, I stand at the door and knock: if any one hear my voice, and open the door, I will enter into his house, and will sup with him, and he with me.

Treasury of Scripture Knowledge

Summary

The altar of wood was three cubits high, and the length thereof two cubits; and the corners thereof, and the length thereof, and the walls thereof, were of wood: and he said unto me, This is the table that is before the LORD.

This is

Bible References

Altar

Revelation 8:3
And another angel came, and stood before the altar, having a golden censer; and there was given to him much incense, that he might present it with the prayers of all the saints, upon the golden altar which was before the throne.

This is

Revelation 3:20
Behold, I stand at the door and knock: if any one hear my voice, and open the door, I will enter into his house, and will sup with him, and he with me.