Matthew 5:35-39

nor by the earth, for it is the footstool of His feet, nor by Jerusalem, for it is the city of the great King.

Nor shall you take an oath by your head, for you cannot make a single hair white or black.

But make sure your statement is, ‘Yes, yes’ or ‘No, no’; anything beyond these is of evil origin.

“You have heard that it was said, ‘Eye for eye, and tooth for tooth.’

But I say to you, do not show opposition against an evil person; but whoever slaps you on your right cheek, turn the other toward him also.