"The man who commits adultery with another man's wife, he who commits adultery with his neighbor's wife, the adulterer and the adulteress, shall surely be put to death.
Leviticus 20:10
Surrounding context
20:9 "For everyone who curses his father or his mother shall surely be put to death. He has cursed his father or his mother. His blood shall be upon him.
20:10 "The man who commits adultery with another man's wife, he who commits adultery with his neighbor's wife, the adulterer and the adulteress, shall surely be put to death.
20:11 The man who lies with his father's wife has uncovered his father's nakedness; both of them shall surely be put to death. Their blood shall be upon them.