You shall not commit adultery.

Matthew 5:27
You have heard that it was said, 'Do not commit adultery.'

Matthew 19:18
"Which ones?" the man asked. Jesus answered, "'Do not murder, do not commit adultery, do not steal, do not bear false witness,

Mark 10:19
You know the commandments: 'Do not murder, do not commit adultery, do not steal, do not bear false witness, do not cheat others, honor your father and mother.'"

Luke 18:20
You know the commandments: 'Do not commit adultery, do not murder, do not steal, do not bear false witness, honor your father and mother.'"

Romans 13:9
The commandments "Do not commit adultery," "Do not murder," "Do not steal," "Do not covet," and any other commandments, are summed up in this one decree: "Love your neighbor as yourself."

James 2:11
For He who said, "Do not commit adultery," also said, "Do not murder." If you do not commit adultery, but do commit murder, you have become a lawbreaker.

Exodus 20:14
You shall not commit adultery.

Leviticus 20:10
If a man commits adultery with another man's wife--with the wife of his neighbor--both the adulterer and the adulteress must surely be put to death.

Hosea 4:2
Cursing and lying, murder and stealing, and adultery are rampant; one act of bloodshed follows another.

Neither shall you commit adultery.