Mark 14:30 in the King James Version
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.
Context
29 But Peter said to him, “Although all will be offended, yet I will not.”
30 Jesus said to him, “Most certainly I tell you that you today, even this night, before the rooster crows twice, you will deny me three times.”
31 But he spoke all the more, “If I must die with you, I will not deny you.” They all said the same thing.