Matthew 26:35 KJV
Peter said unto him, Though I should die with thee, yet will I not deny thee. Likewise also said all the disciples.
Matthew 26:35, King James Version
In context
34 Jesus said unto him, Verily I say unto thee, That this night, before the cock crow, thou shalt deny me thrice.
35 Peter said unto him, Though I should die with thee, yet will I not deny thee. Likewise also said all the disciples.
36 Then cometh Jesus with them unto a place called Gethsemane, and saith unto the disciples, Sit ye here, while I go and pray yonder.