There is ZERO indication that Christians are still to follow Mosaic law. In fact, there are multiple scriptures that warn AGAINST trying to keep the old law.
Matthew 5:19 (ESV2011, MBM)
And then will I declare to them, ‘I never knew you; depart from me, you workers of lawlessness.’
Matthew 7:23 (ESV2011, MBM)
But he answered, “It is written, “‘Man shall not live by bread alone, but by every word that comes from the mouth of God.’”
Matthew 4:4 (ESV2011, MBM)
You therefore, beloved, knowing this beforehand, take care that you are not carried away with the error of lawless people and lose your own stability.
2 Peter 3:17 (ESV2011, MBM)
Here is a call for the endurance of the saints, those who keep the commandments of God and their faith in Jesus.
Revelation 14:12 (ESV2011, MBM)
All Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness,
2 Timothy 3:16 (ESV2011, MBM) [[No New Testament when this epistle was written]]
Jesus answered them, and said, My doctrine is not mine, but his that sent me.
John 7:16 (KJV, MBM)
For I give you good doctrine, forsake ye not my law.
Proverbs 4:2 (KJV, MBM)
And many people shall go and say, Come ye, and let us go up to the mountain of the LORD, to the house of the God of Jacob; and he will teach us of his ways, and we will walk in his paths: for out of Zion shall go forth the law, and the word of the LORD from Jerusalem.
Isaiah 2:3 (KJV, MBM)
And then will I declare to them, ‘I never knew you; depart from me, you workers of lawlessness.’Matthew 7:23 (ESV2011, MBM)