Matthew 26:34

Jesus said to him, Truly I say to you that this night, before the hour of the cock's cry, you will say three times that you have no knowledge of me.

John 13:38

Jesus said in answer, Will you give up your life for me? Truly I say to you, Before the cry of the cock you will have said three times that you are not my disciple.

Matthew 26:75

And the word of Jesus came back to Peter, when he said, Before the hour of the cock's cry, you will say three times that you have no knowledge of me. And he went out, weeping bitterly.

Luke 22:34

And he said, I say to you, Peter, before the cock's second cry today, you will say three times that you have no knowledge of me.

Mark 14:30-31

And Jesus said to him, Truly, I say to you that you, today, even this night, before the cock's second cry, will say three times that you have no knowledge of me.

Treasury of Scripture Knowledge

Summary

Jesus said unto him, Verily I say unto thee, That this night, before the cock crow, thou shalt deny me thrice.

Bible References

That

Mark 14:30
And Jesus said to him, Truly, I say to you that you, today, even this night, before the cock's second cry, will say three times that you have no knowledge of me.
Luke 22:34
And he said, I say to you, Peter, before the cock's second cry today, you will say three times that you have no knowledge of me.
John 13:38
Jesus said in answer, Will you give up your life for me? Truly I say to you, Before the cry of the cock you will have said three times that you are not my disciple.

General references

Proverbs 16:18
Pride goes before destruction, and a stiff spirit before a fall.
Matthew 26:70
But he said before them all that it was false, saying, I have no knowledge of what you say.
1 Corinthians 10:12
So let him who seems to himself to be safe go in fear of a fall.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain