Matthew 3:7

But when he saw many of the Pharisees and Sadducees coming to his immersion, he said to them: Generation of vipers, who has warned you to flee from the coining wrath?

Matthew 12:34

Generation of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.

Treasury of Scripture Knowledge

Summary

They hatch cockatrice' eggs, and weave the spider's web: he that eateth of their eggs dieth, and that which is crushed breaketh out into a viper.

Crushed breaketh out into a viper

General references

Bible References

Crushed breaketh out into a viper

Matthew 3:7
But when he saw many of the Pharisees and Sadducees coming to his immersion, he said to them: Generation of vipers, who has warned you to flee from the coining wrath?
Matthew 12:34
Generation of vipers, how can you, being evil, speak good things? For out of the abundance of the heart, the mouth speaks.

General references

Acts 24:9
And the Jews united in accusing him, saying that these things were so.