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 hath warned you to flee from the wrath to come?"Matthew 3:7 (KJV)
Context from Matthew 3
5
Then went out to him Jerusalem, and all Judaea, and all the region round about Jordan,
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And were baptized of him in Jordan, confessing their sins.
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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?
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Bring forth therefore fruits meet for repentance:
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And think not to say within yourselves, We have Abraham to our father: for I say unto you, that God is able of these stones to raise up children unto Abraham.