This Bible contradiction is from the Skeptic's Annotated Bible.
Yes, they are binding forever.
Genesis 17:19 View context
And God said, Sarah thy wife shall bear thee a son indeed; and thou shalt call his name Isaac: and I will establish my covenant with him for an everlasting covenant, [and] with his seed after him.
Exodus 12:14 View context
And this day shall be unto you for a memorial; and ye shall keep it a feast to the LORD throughout your generations; ye shall keep it a feast by an ordinance for ever.
Leviticus 23:14 View context
And ye shall eat neither bread, nor parched corn, nor green ears, until the selfsame day that ye have brought an offering unto your God: [it shall be] a statute for ever throughout your generations in all your dwellings.
Deuteronomy 4:8-9 View context
And what nation [is there so] great, that hath statutes and judgments [so] righteous as all this law, which I set before you this day?
Only take heed to thyself, and keep thy soul diligently, lest thou forget the things which thine eyes have seen, and lest they depart from thy heart all the days of thy life: but teach them thy sons, and thy sons' sons;
Deuteronomy 7:9 View context
Know therefore that the LORD thy God, he [is] God, the faithful God, which keepeth covenant and mercy with them that love him and keep his commandments to a thousand generations;
Deuteronomy 11:1 View context
Therefore thou shalt love the LORD thy God, and keep his charge, and his statutes, and his judgments, and his commandments, alway.
1 Chronicles 16:15 View context
Be ye mindful always of his covenant; the word [which] he commanded to a thousand generations;
Psalm 119:151-2 View context
Ecclesiastes 12:13 View context
Let us hear the conclusion of the whole matter: Fear God, and keep his commandments: for this [is] the whole [duty] of man.
Malachi 4:4 View context
Remember ye the law of Moses my servant, which I commanded unto him in Horeb for all Israel, [with] the statutes and judgments.
Matthew 5:18-19 View context
For verily I say unto you, Till heaven and earth pass, one jot or one tittle shall in no wise pass from the law, till all be fulfilled.
Whosoever therefore shall break one of these least commandments, and shall teach men so, he shall be called the least in the kingdom of heaven: but whosoever shall do and teach [them], the same shall be called great in the kingdom of heaven.
Luke 16:17 View context
And it is easier for heaven and earth to pass, than one tittle of the law to fail.
No, Christians are not under the OT law.
Luke 16:16 View context
The law and the prophets [were] until John: since that time the kingdom of God is preached, and every man presseth into it.
Romans 3:28 View context
Therefore we conclude that a man is justified by faith without the deeds of the law.
Romans 6:14 View context
For sin shall not have dominion over you: for ye are not under the law, but under grace.
Romans 7:4 View context
Wherefore, my brethren, ye also are become dead to the law by the body of Christ; that ye should be married to another, [even] to him who is raised from the dead, that we should bring forth fruit unto God.
Romans 10:4 View context
For Christ [is] the end of the law for righteousness to every one that believeth.
Galatians 3:13 View context
Christ hath redeemed us from the curse of the law, being made a curse for us: for it is written, Cursed [is] every one that hangeth on a tree:
Galatians 5:18 View context
But if ye be led of the Spirit, ye are not under the law.
Ephesians 2:15 View context
Having abolished in his flesh the enmity, [even] the law of commandments [contained] in ordinances; for to make in himself of twain one new man, [so] making peace;
Colossians 2:14 View context
Blotting out the handwriting of ordinances that was against us, which was contrary to us, and took it out of the way, nailing it to his cross;