Cross reference
Romans 14:16
16 Let not then your good be evil spoken of:
Romans 12:17
17 Recompense to no man evil for evil. Provide things honest in the sight of all men.
1 Corinthians 10:29-30
29 Conscience, I say, not thine own, but of the other: for why is my liberty judged of another man's conscience?
30 For if I by grace be a partaker, why am I evil spoken of for that for which I give thanks?
2 Corinthians 8:20-21
20 Avoiding this, that no man should blame us in this abundance which is administered by us:
21 Providing for honest things, not only in the sight of the Lord, but also in the sight of men.
1 Thessalonians 5:22
22 Abstain from all appearance of evil.