One witness shall not prevail against a man for any crime or any wrong in connection with any sin he commits; only on the testimony of two or three witnesses shall a charge be established.
[And see to it that] your conscience is entirely clear (unimpaired), so that, when you are falsely accused as evildoers, those who threaten you abusively and revile your right behavior in Christ may come to be ashamed [of slandering your good lives].
And let your instruction be sound and fit and wise and wholesome, vigorous and irrefutable and above censure, so that the opponent may be put to shame, finding nothing discrediting or evil to say about us.