Matthew 26:34

Jesus said to him, 'Verily I say to thee, that, this night, before cock-crowing, thrice thou wilt deny me.'

John 13:38

Jesus answered him, 'Thy life for me thou wilt lay down! verily, verily, I say to thee, a cock will not crow till thou mayest deny me thrice.'

Matthew 26:75

and Peter remembered the saying of Jesus, he having said to him -- 'Before cock-crowing, thrice thou wilt deny me;' and having gone without, he did weep bitterly.

Luke 22:34

and he said, 'I say to thee, Peter, a cock shall not crow to-day, before thrice thou mayest disown knowing me.'

Mark 14:30-31

And Jesus said to him, 'Verily I say to thee, that to-day, this night, before a cock shall crow twice, thrice thou shalt deny 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, 'Verily I say to thee, that to-day, this night, before a cock shall crow twice, thrice thou shalt deny me.'
Luke 22:34
and he said, 'I say to thee, Peter, a cock shall not crow to-day, before thrice thou mayest disown knowing me.'
John 13:38
Jesus answered him, 'Thy life for me thou wilt lay down! verily, verily, I say to thee, a cock will not crow till thou mayest deny me thrice.'

General references

Proverbs 16:18
Before destruction is pride, And before stumbling -- a haughty spirit.'
Matthew 26:70
And he denied before all, saying, 'I have not known what thou sayest.'
1 Corinthians 10:12
so that he who is thinking to stand -- let him observe, lest he fall.