John 13:20-21

13:20 I tell you the solemn truth, whoever accepts the one I send accepts me, and whoever accepts me accepts the one who sent me.”

13:21 When he had said these things, Jesus was greatly distressed in spirit, and testified, “I tell you the solemn truth, one of you will betray me.”

John 13:38

13:38 Jesus answered, “Will you lay down your life for me? I tell you the solemn truth, the rooster will not crow until you have denied me three times!