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."
Cross References (ranked by relevance)
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.
Wherefore let him that thinketh he standeth take heed lest he fall.
Then saith the damsel that kept the door unto Peter, Art not thou also one of this man’s disciples? He saith, I am not.
And God called the light Day, and the darkness he called Night. And the evening and the morning were the first day.
And he said, I tell thee, Peter, the cock shall not crow this day, before that thou shalt thrice deny that thou knowest me.
And God called the firmament Heaven. And the evening and the morning were the second day.
And the evening and the morning were the third day.
And the evening and the morning were the fourth day.
And the evening and the morning were the fifth day.