[28] But if any man say offered in sacrifice unto idols, eat not for his sake that shewed it, and for conscience sake: for the earth is the Lord's, and the fulness thereof: [29] Conscience, I say, not thine own, but of the other: for liberty judged of another man's conscience? [30] if I by grace be a partaker, why am I evil spoken of for that for which I give thanks?