'Drink the Cup' in the Bible

But Jesus answered, "You do not know what you are asking. Are you able to drink the cup that I am about to drink?" They said to him, "We are able."

But Jesus said to them, "You do not know what you are asking. Are you able to drink the cup that I drink, or to be baptized with the baptism that I am baptized with?"

They said to him, "We are able." Jesus said to them, "You shall indeed drink the cup that I drink, and you shall be baptized with the baptism that I am baptized with;

You cannot both drink the cup of the Lord and the cup of demons. You cannot both partake of the table of the Lord, and of the table of demons.