Matthew 3:7-9

3:7 But when he saw many Pharisees and Sadducees coming to his baptism, he said to them, “You offspring of vipers! Who warned you to flee from the coming wrath? 3:8 Therefore produce fruit that proves your repentance, 3:9 and don’t think you can say to yourselves, ‘We have Abraham as our father.’ For I tell you that God can raise up children for Abraham from these stones!