1 Corinthians 10:29
"Conscience, I say, not thine own, but of the other: for why is my liberty judged of another man’s conscience?"
Cross References (ranked by relevance)
1 Corinthians 9:19
For though I be free from all men, yet have I made myself servant unto all, that I might gain the more.
1 Corinthians 10:32
Give none offence, neither to the Jews, nor to the Gentiles, nor to the church of God:
2 Corinthians 8:21
Providing for honest things, not only in the sight of the Lord, but also in the sight of men.
1 Thessalonians 5:22
Abstain from all appearance of evil.