Matthew 26:72

And again he denied with an oath, "I do not know the Man."

Matthew 5:34-36

but I say to you, Swear not at all; neither by Heaven, because it is God's throne;

Matthew 26:74

Then began he to curse and swear, "I do not know the Man." And straight-way a cock crowed.

Luke 22:34

And He said, "I tell you, Peter, a cock will not crow to-day, until you thrice deny that you know Me."

Acts 5:3-4

But Peter said, "Ananias, why did Satan fill your heart, that you should lie to the Holy Spirit, and keep back part of the price of the land?

Treasury of Scripture Knowledge

Summary

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

Bible References

With

Matthew 5:34
but I say to you, Swear not at all; neither by Heaven, because it is God's throne;
Acts 5:3
But Peter said, "Ananias, why did Satan fill your heart, that you should lie to the Holy Spirit, and keep back part of the price of the land?

I do not

Matthew 26:74
Then began he to curse and swear, "I do not know the Man." And straight-way a cock crowed.
Luke 22:34
And He said, "I tell you, Peter, a cock will not crow to-day, until you thrice deny that you know Me."