Matthew 26:31-35

31 Then Jesus said to them, "You will all become deserters because of me this night; for it is written, "I will strike the shepherd, and the sheep of the flock will be scattered.'
32 But after I am raised up, I will go ahead of you to Galilee."
33 Peter said to him, "Though all become deserters because of you, I will never desert you."
34 Jesus said to him, "Truly I tell you, this very night, before the cock crows, you will deny me three times."
35 Peter said to him, "Even though I must die with you, I will not deny you." And so said all the disciples.

Matthew 26:31-35 In-Context

29 I tell you, I will never again drink of this fruit of the vine until that day when I drink it new with you in my Father's kingdom."
30 When they had sung the hymn, they went out to the Mount of Olives.
31 Then Jesus said to them, "You will all become deserters because of me this night; for it is written, "I will strike the shepherd, and the sheep of the flock will be scattered.'
32 But after I am raised up, I will go ahead of you to Galilee."
33 Peter said to him, "Though all become deserters because of you, I will never desert you."
34 Jesus said to him, "Truly I tell you, this very night, before the cock crows, you will deny me three times."
35 Peter said to him, "Even though I must die with you, I will not deny you." And so said all the disciples.
36 Then Jesus went with them to a place called Gethsemane; and he said to his disciples, "Sit here while I go over there and pray."
37 He took with him Peter and the two sons of Zebedee, and began to be grieved and agitated.