Matthew 5:35
nor by the earth, for it is the footstool of his feet; nor by Jerusalem, for it is the city of the great King.
World English Bible (Public Domain)
In context
Before · Matthew 5:33–34
33“Again you have heard that it was said to the ancient ones, ‘You shall not make false vows, but shall perform to the Lord your vows,’ 34but I tell you, don’t swear at all: neither by heaven, for it is the throne of God;
35nor by the earth, for it is the footstool of his feet; nor by Jerusalem, for it is the city of the great King.