'Vipers' in the Bible

But when he saw many of the Pharisees and Sadducees coming for baptism, he said to them, “You brood of vipers, who warned you to flee from the [divine] wrath and judgment to come?

You brood of vipers, how can you speak good things when you are evil? For the mouth speaks out of that which fills the heart.

You serpents, you spawn of vipers, how can you escape the penalty of hell?

So he began saying to the crowds who were coming out to be baptized by him, “You brood of vipers, who warned you to flee from the wrath [of God that is] to come?