I guess you can't comprehend too well:
See, this is exactly why I don't spend as much time here as I used to. It has turned into nothing more than a hostile, contentious, name calling arena that lacks the spirit of the Lord. Not only that, it is usually the same argument, by the same people, debating the same things, just on different dates, myself included.
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Now, that said, let me address your post. Acts 15 is a discussion of circumcision and the law of Moses relating to the gentiles, and the verses 28 and 29 you bring up are right on point, that is that there are still requirements of righteousness that must be met, even though the law of Moses was fulfilled, even to the gentiles. This particular group, the spirit whispered to them to settle the discussion at some of the things that must be abstained from, including sexual sin, idols, tainted blood, etc.
Ironically, the same admonition to abstain from these very things happens later as well, as spoken of in Acts 21. If you look at these 2 verses, verse 26 even talks about paul purifying himself and those with him in the temple. How could this possibly be, if works, rituals, and temple worship had been done away?
Acts 21
25 As touching the Gentiles which believe, we have written and concluded that they observe no such thing, save only that they keep themselves from things offered to idols, and from blood, and from strangled, and from fornication.
26 Then Paul took the men, and the next day purifying himself with them entered into the temple, to signify the accomplishment of the days of purification, until that an offering should be offered for every one of them.
See, this is exactly why I don't spend as much time here as I used to.
Oh my!
I've offended you!
I guess MY being shown that I do not comprehend how you look at Scripture should offend me; but it doesn't.
I choose to accept, that because of what we believe, we interpret Scripture to fit our beliefs - not the other way around.
I'm sorry you feel this way...
KJV Matthew 23:13-34
13. But woe unto you, scribes and Pharisees, hypocrites! for ye shut up the kingdom of heaven against men: for ye neither go in yourselves, neither suffer ye them that are entering to go in.
14. Woe unto you, scribes and Pharisees, hypocrites! for ye devour widows' houses, and for a pretence make long prayer: therefore ye shall receive the greater damnation.15. Woe unto you, scribes and Pharisees, hypocrites! for ye compass sea and land to make one proselyte, and when he is made, ye make him twofold more the child of hell than yourselves.
16. Woe unto you, ye blind guides, which say, Whosoever shall swear by the temple, it is nothing; but whosoever shall swear by the gold of the temple, he is a debtor!
17. Ye fools and blind: for whether is greater, the gold, or the temple that sanctifieth the gold?
18. And, Whosoever shall swear by the altar, it is nothing; but whosoever sweareth by the gift that is upon it, he is guilty.
19. Ye fools and blind: for whether is greater, the gift, or the altar that sanctifieth the gift?
20. Whoso therefore shall swear by the altar, sweareth by it, and by all things thereon.
21. And whoso shall swear by the temple, sweareth by it, and by him that dwelleth therein.
22. And he that shall swear by heaven, sweareth by the throne of God, and by him that sitteth thereon.
23. Woe unto you, scribes and Pharisees, hypocrites! for ye pay tithe of mint and anise and cummin, and have omitted the weightier matters of the law, judgment, mercy, and faith: these ought ye to have done, and not to leave the other undone.
24. Ye blind guides, which strain at a gnat, and swallow a camel.
25. Woe unto you, scribes and Pharisees, hypocrites! for ye make clean the outside of the cup and of the platter, but within they are full of extortion and excess.
26. Thou blind Pharisee, cleanse first that which is within the cup and platter, that the outside of them may be clean also.
27. Woe unto you, scribes and Pharisees, hypocrites! for ye are like unto whited sepulchres, which indeed appear beautiful outward, but are within full of dead men's bones, and of all uncleanness.
28. Even so ye also outwardly appear righteous unto men, but within ye are full of hypocrisy and iniquity.
29. Woe unto you, scribes and Pharisees, hypocrites! because ye build the tombs of the prophets, and garnish the sepulchres of the righteous,
30. And say, If we had been in the days of our fathers, we would not have been partakers with them in the blood of the prophets.
31. Wherefore ye be witnesses unto yourselves, that ye are the children of them which killed the prophets.
32. Fill ye up then the measure of your fathers.
33. Ye serpents, ye generation of vipers, how can ye escape the damnation of hell?