1 Corinthians 11:29
Treasury of Scripture Knowledge
For he that eateth and drinketh unworthily, eateth and drinketh damnation to himself, not discerning the Lord's body.
1 Corinthians 11:24
and, having given thanks, He broke it, and said, "This is My body which is for you; this do in remembrance of Me."
but solid food is for full-grown men, who by practice have their senses trained for the discernment both of good and evil.