Matthew 3:7 in the King James Version
But when he saw many of the Pharisees and Sadducees come to his baptism, he said unto them, O generation of vipers, who hath warned you to flee from the wrath to come?
Context
6 They were baptized by him in the Jordan, confessing their sins.
7 But when he saw many of the Pharisees and Sadducees coming for his baptism, he said to them, “You offspring of vipers, who warned you to flee from the wrath to come?
8 Therefore produce fruit worthy of repentance!