The Lord said, "Again you have heard that it was said to the men of old, 'You shall
not swear falsely, but shall perform to the Lord what you have sworn.'
But I say to you, Do not swear at all, either by heaven, for it is
the throne of God,
or by the earth, for it is his footstool, or by Jerusalem, for it is
the city of the great King.
And do not swear by your head, for you cannot make one hair white or
black.
Let what you say be simply 'Yes' or 'No'; anything more than this
comes from evil.
"You have heard that it was said, 'An eye for an eye and a tooth for
a tooth.'
But I say to you, Do not resist one who is evil. But if any one
strikes you on the right cheek, turn to him the other also;
and if any one would sue you and take your coat, let him have your
cloak as well;
and if any one forces you to go one mile, go with him two miles.