This is a symbol of baptism, which now saves you-- not the putting away of the filth of the flesh, but the answer of a good conscience toward God, through the resurrection of Jesus 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 ).