You cannot drink the cup of the Lord and the cup of demons too; you cannot partake in the table of the Lord and the table of demons too.
Textus Receptus (TR) - 1 Corinthians 10:21 >Οὐ δύνασθε ποτήριον Κυρίου πίνειν καὶ ποτήριον δαιμονίων· οὐ δύνασθε τραπέζης Κυρίου μετέχειν καὶ τραπέζης δαιμονίων.