Really? How do you know that? Because I don't see that in there at all.
You have to look at the passage carefully and compare it with other parallel passages like 1 Corinthians 8.
Rom 14:1 Him that is weak in the faith receive ye, but not to doubtful disputations.
Rom 14:2 For one believeth that he may eat all things: another, who is weak, eateth herbs.
Who is he that is weak in the faith? They are those who may have probably just heard about Christ and their faith in Jesus is weak. For a jew, it would mean that for him the sacrifices and ordinances will not have really ceased. He will still pay respect to feast days and still offer sacrifices. Christians who know that these things are void would condemn him.
Notice as well that the person that is weak keeps away from meat completely. It means that there must be a problem with the meat sold in the market that would cause him to stay away. And this person is weak in the faith of Christ and still believes in ceremonial power. Common practice in the markets would be to sell meat that were offered to idols or that were sacrifices. Before Christ, any meat that was sacrifices to God was ceremonially unclean because it would contain all the sins of the individual. Even the gentiles had that same belief with meat offered to their Gods. So this person who is weak in the faith of Jesus stays away from the market in fear that he may accidentally eat meat that was offered as sacrifice in the jewish community or offered to idols in the gentile community. So to avoid their conscience being defiled they would eat only herbs.
Rom 14:5 One man esteemeth one day above another: another esteemeth every day alike. Let every man be fully persuaded in his own mind.
Rom 14:6 He that regardeth the day, regardeth it unto the Lord; and he that regardeth not the day, to the Lord he doth not regard it. He that eateth, eateth to the Lord, for he giveth God thanks; and he that eateth not to the Lord he eateth not, and giveth God thanks.
As i said before the one man who esteemeth one day above another is also weak in the faith of Jesus. This person still deemed the feast days which were ceremonial sabbath days contained in feast such as the feast of tabernacles as still being holy. Paul in his own mind knows that this is not significant anymore but because of all the division that had started to take place in the church he urged the brethren to accept what each other believed and not to judge.
1Co 8:4 As concerning therefore the eating of those things that are offered in sacrifice unto idols, we know that an idol is nothing in the world, and that there is none other God but one.
1Co 8:5 For though there be that are called gods, whether in heaven or in earth, (as there be gods many, and lords many,)
1Co 8:6 But to us there is but one God, the Father, of whom are all things, and we in him; and one Lord Jesus Christ, by whom are all things, and we by him.
1Co 8:7 Howbeit there is not in every man that knowledge: for some with conscience of the idol unto this hour eat it as a thing offered unto an idol; and their conscience being weak is defiled.
This message was specifically to gentile believes weak in the faith of Christ who have not overcome their belief of the existence of their own idols and gods.
1Co 8:8 But meat commendeth us not to God: for neither, if we eat, are we the better; neither, if we eat not, are we the worse.
1Co 8:9 But take heed lest by any means this liberty of yours become a stumblingblock to them that are weak.
1Co 8:10 For if any man see thee which hast knowledge sit at meat in the idol's temple, shall not the conscience of him which is weak be emboldened to eat those things which are offered to idols;
1Co 8:11 And through thy knowledge shall the weak brother perish, for whom Christ died?
1Co 8:12 But when ye sin so against the brethren, and wound their weak conscience, ye sin against Christ.
1Co 8:13 Wherefore, if meat make my brother to offend, I will eat no flesh while the world standeth, lest I make my brother to offend.
Paul even says that when he is with such people he will abstain from things that they also abstain from as to prevent their conscience from being defiled. We can take hints from this passage to aid us in understanding Romans 14. There is another parallel as well.
1Co 10:19 What say I then? that the idol is any thing, or that which is offered in sacrifice to idols is any thing?
1Co 10:20 But I say, that the things which the Gentiles sacrifice, they sacrifice to devils, and not to God: and I would not that ye should have fellowship with devils.
1Co 10:21 Ye cannot drink the cup of the Lord, and the cup of devils: ye cannot be partakers of the Lord's table, and of the table of devils.
1Co 10:22 Do we provoke the Lord to jealousy? are we stronger than he?
1Co 10:23 All things are lawful for me, but all things are not expedient: all things are lawful for me, but all things edify not.
1Co 10:24 Let no man seek his own, but every man another's wealth.
1Co 10:25 Whatsoever is sold in the meat market, that eat, asking no question for conscience sake:
Again Paul is referring directly to the gentile believers but this time to teach them. These are the same people who have been eating herbs and have stayed away from the meat market for fear that they might take meat that was once offered to idols. Paul is finally telling them that they have no need to fear over.
