Romans 14:5
This man putteth difference between day and day: another man counteth all days alike. See that no man waver in his own meaning.
Romans 14:23
For he that maketh conscience, is damned if he eat: Because he doth it not of faith. For whatsoever is not of faith, that same is sin.
Romans 14:14
For I know, and am full certified in the Lord Jesus, that there is nothing common of itself: but unto him that judgeth it to be common, to him it is common.
1 Corinthians 8:7
But every man hath not knowledge. For some suppose that there is an idol, until this hour, and eat as of a thing offered unto the idol, and so their consciences being yet weak are defiled.
1 Corinthians 8:11
And so through thy knowledge shall the weak brother perish for whom Christ died.
Galatians 4:9-10
But now, seeing ye know God - yea rather are known of God - how is it that ye turn again unto the weak and beggarly ceremonies, whereunto again ye desire afresh to be in bondage?
Colossians 2:16-17
Let no man therefore trouble your consciences about meat and drink: or for a piece of a holy day, as the holy day of the new moon, or of the Sabbath day:
1 John 3:19-21
for thereby we know that we be of the truth, and so shall we certify our hearts in his sight.