1 Corinthians 10:25-28

25Everything sold in the shambles eat, making no inquiry for conscience sake.

26For the earth [is] the Lord's and its fulness.

27But if any one of the unbelievers invite you, and ye are minded to go, all that is set before you eat, making no inquiry for conscience sake.

28But if any one say to you, This is offered to holy purposes, do not eat, for his sake that pointed it out, and conscience sake;