Having a good conscience; that, whereas they speak evil of you, as of evildoers, they may be ashamed that falsely accuse your good conversation in Christ.
Having a good conscience... Knowing that you did noting amiss against anyone who speaks evil of you to others because they do not like you being a testimony for the LORD. They are evil.. anda re falsely accusing you.
"Let your light so shine before men that they may see your good works and glorify your father which isin heaven for this good and acceptable with the Lord "!