Revelation 8:3

And another angel came and stood at the altar, having a golden censer, and a great quantity of incense was given him to mingle with the prayers of all the saints upon the golden altar, which was before the throne.

1 Corinthians 10:21

You cannot drink the cup of the Lord and also the cup of demons; you cannot be partakers in the Lord's table and in the table of demons.

Revelation 3:20

Behold, I am standing at the door and knocking! If any one listens to my voice, and opens the door, I will come to him, and 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.

Bible References

Altar

Revelation 8:3
And another angel came and stood at the altar, having a golden censer, and a great quantity of incense was given him to mingle with the prayers of all the saints upon the golden altar, which was before the throne.

This is

1 Corinthians 10:21
You cannot drink the cup of the Lord and also the cup of demons; you cannot be partakers in the Lord's table and in the table of demons.
Revelation 3:20
Behold, I am standing at the door and knocking! If any one listens to my voice, and opens the door, I will come to him, and sup with him, and he with me.