Matthew 26:74

74 Then began he to anathematise, and to swear -- `I have not known the man;' and immediately did a cock crow,

Matthew 26:74 In-Context

72 and again did he deny with an oath -- `I have not known the man.'
73 And after a little those standing near having come, said to Peter, `Truly thou also art of them, for even thy speech doth make thee manifest.'
74 Then began he to anathematise, and to swear -- `I have not known the man;' and immediately did a cock crow,
75 and Peter remembered the saying of Jesus, he having said to him -- `Before cock-crowing, thrice thou wilt deny me;' and having gone without, he did weep bitterly.
Young's Literal Translation is in the public domain.