1 Corinthians 11:27-28 NAS

27 Therefore whoever eats the bread or drinks the cup of the Lord in an unworthy manner, shall be 1guilty of the body and the blood of the Lord.

References for 1 Corinthians 11:27

28 But a man must 2examine himself, and in so doing he is to eat of the bread and drink of the cup.

References for 1 Corinthians 11:28