Matthew 26:72

And again he denied with an oath, I do not know the man.
— Matthew 26:72, King James Version

In other translations

World English Bible (WEB)

Again he denied with an oath, "I don't know the man."

American Standard Version (ASV)

And again he denied with an oath, I know not the man.

Young's Literal Translation (YLT)

and again did he deny with an oath--'I have not known the man.'