A Sermon on Romans 14:14-16
I know and am persuaded in the Lord Jesus that nothing is unclean in itself, but it is unclean for anyone who thinks it unclean. For if your brother is grieved by what you eat, you are no longer walking in love. By what you eat, do not destroy the one for whom Christ died. So do not let what you regard as good be spoken of as evil. (ESV)
Actions good in themselves not always expedient; the importance of conscience; the good; weak; pure; defiled or seared conscience; its function as a safeguard.