John 13:38
"Jesus answered him, Wilt thou lay down thy life for my sake? Verily, verily, I say unto thee, The cock shall not crow, till thou hast denied me thrice."
Cross References (ranked by relevance)
Luke 22:34
12
And he said, I tell thee, Peter, the cock shall not crow this day, before that thou shalt thrice deny that thou knowest me.
Matthew 26:34
11
Jesus said unto him, Verily I say unto thee, That this night, before the cock crow, thou shalt deny me thrice.
Mark 14:30
And Jesus saith unto him, Verily I say unto thee, That this day, even in this night, before the cock crow twice, thou shalt deny me thrice.
Proverbs 16:18
Pride goeth before destruction, and an haughty spirit before a fall.