How does this passage from the Crucible reinforce the play's theme?

Question: How does this passage from the Crucible reinforce the play's theme!?

"Indeed not, but it strike hard upon me that she would dare come here with such a tale!. Now, Mr!. Proctor, before I decide whether I shall hear you or not, it is my duty to tell you this!. We burn a hot fire in here; it melts down all concealment!."Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Crucible = tool used in metalworking, basically a cauldron (hmm!.!.!.) for melting metals out of ore!. Metaphor and all that!.Www@QuestionHome@Com