What does these three quotes mean form The Crucible?

Question

I want to know what these quotes mean

1. "Is the accuser always holy now"?
2. I'll tell you what's walking salem - vengeance is walking Salem"
3. We are only what we always were, but naked now"?

Answer 1

1. Just because someone accuses you they are not always right or innocent.
2. Vengance made the town take action, even if it was wrong.
3. No one changed but everyone now knows everyone else intimately whether they wanted them to or not.