Matthew 26:34
"Truly I tell you," Jesus declared, "this very night before the rooster crows, you will deny Me three times."

Mark 13:35
Therefore keep watch, because you do not know when the master of the house will return--whether in the evening, at midnight, when the rooster crows, or in the morning.

Mark 14:29
Peter declared, "Even if all fall away, I never will."

Mark 14:31
But Peter kept insisting, "Even if I have to die with You, I will never deny You." And all the others said the same.

Mark 14:68
But he denied it. "I do not know or even understand what you are talking about," he said. Then he went out to the gateway, and the rooster crowed.

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.

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.