having a good conscience; that, while you are spoken against as evildoers, they may be disappointed who curse your good manner of life in Christ.
Such as communion is condemning to the person who doesn't believe. The partaking of the bread and the cup, if you --if you don't believe in Jesus Christ, you're actually partaking your own damnation. You're witnessing against yourself. And "he that eateth and drinketh unworthily, eateth and drinketh damnation to his own soul, not discerning the Lord's body" ( 1 Corinthians 11:29 ).