Matthew 23:22

whoever swears by heaven swears by the throne of God and by Him who sits on it.

Matthew 5:34

But I tell you not to swear at all, either by heaven, for it is God's throne,

Acts 7:49

'"Heaven is my throne, and earth a footstool for my feet. What house can you build for me?" says the Lord; "Or what place is there in which I can rest?

Revelation 4:2-3

Immediately I was under the Spirit's power, and I saw a throne in heaven with One seated on it.

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, either by heaven, for it is God's throne,
Acts 7:49
'"Heaven is my throne, and earth a footstool for my feet. What house can you build for me?" says the Lord; "Or what place is there in which I can rest?
Revelation 4:2
Immediately I was under the Spirit's power, and I saw a throne in heaven with One seated on it.