Matthew 26:33
Peter said to Him, "Even if all fall away on account of You, I never will."

Matthew 26:75
Then Peter remembered the word Jesus had spoken: "Before the rooster crows, you will deny Me three times." And he went outside and wept bitterly.

Mark 14:30
"Truly I tell you," Jesus replied, "this very night before the rooster crows twice, you will deny Me three times."

Mark 14:72
And just then, the rooster crowed a second time. Then Peter remembered the word Jesus had spoken to him: "Before the rooster crows twice, you will deny Me three times." And he broke down and wept.

Luke 22:34
But Jesus replied, "I tell you, Peter, the rooster will not crow today until you have denied three times that you know Me."

Luke 22:61
And the Lord turned and looked at Peter. Then Peter remembered the word the Lord had spoken to him: "Before the rooster crows today, you will deny Me three times."

John 13:38
"Will you lay down your life for Me?" Jesus replied. "Truly, truly, I tell you, before the rooster crows, you will deny Me three times.