Matthew 23:22

and he, that sweareth by heaven, sweareth by the throne of God, and by Him that sitteth upon it.

Matthew 5:34

but I say unto you, swear not at all; neither by heaven, for it is the throne of God;

Acts 7:49

"Heaven is my throne, and the earth is my footstool; what house will ye build for me, saith the Lord, or what is the place of my rest?

Revelation 4:2-3

And immmediately I was in the Spirit: and behold, a throne was set in heaven, and one sitting on the throne.

Treasury of Scripture Knowledge

Summary

And he that shall swear by heaven, sweareth by the throne of God, and by him that sitteth thereon.

Bible References

By the

Matthew 5:34
but I say unto you, swear not at all; neither by heaven, for it is the throne of God;
Acts 7:49
"Heaven is my throne, and the earth is my footstool; what house will ye build for me, saith the Lord, or what is the place of my rest?
Revelation 4:2
And immmediately I was in the Spirit: and behold, a throne was set in heaven, and one sitting on the throne.