5 One indeed judges a day above another day; and another one judges every day alike . Let each one be fully assured in his own mind.
Romans 14:5 Cross References - LITV
Romans 14:14
14 I know and am persuaded in the Lord Jesus that nothing by itself is common; except to the one counting anything to be common, it is common.
Romans 14:23
23 But the one doubting, if he eats, he has been condemned, because it is not of faith; and whatever is not of faith is sin.
1 Corinthians 8:7
7 But the knowledge is not in all; but some being aware of the idol eat as an idolatrous sacrifice until now; and their conscience being weak is defiled.
1 Corinthians 8:11
11 And on your knowledge the weak brother will fall, he for whom Christ died.