Matthew 3:7

“But when he saw many of the Pharisees and Sadducees come to his baptism, he said unto them, O generation of vipers, who ...”

Matthew 12:34

“O generation of vipers, how can ye, being evil, speak good things? for out of the abundance of the heart the mouth speak...”

Matthew 23:33

“Ye serpents, ye generation of vipers, how can ye escape the damnation of hell?”

Luke 3:7

“Then said he to the multitude that came forth to be baptized of him, O generation of vipers, who hath warned you to flee...”