Matthew 23:22

and he who swears by Heaven swears both by the throne of God and by Him who sits upon it.

Matthew 5:34

But I tell you not to swear at all; neither by Heaven, for it is God's throne;

Acts 7:49

"'The sky is My throne, and earth is the footstool for My feet. What kind of house will you build for Me, says the Lord, or what resting place shall I have?

Revelation 4:2-3

Immediately I found myself in the Spirit, and saw a throne in Heaven, and some 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 tell you not to swear at all; neither by Heaven, for it is God's throne;
Acts 7:49
"'The sky is My throne, and earth is the footstool for My feet. What kind of house will you build for Me, says the Lord, or what resting place shall I have?
Revelation 4:2
Immediately I found myself in the Spirit, and saw a throne in Heaven, and some One sitting on the throne.