..God is not a God of confusion..(1 Corth 14) He has set laws in place for His people for order and peace...
A loving Father does not change his rules day to day ..leading to confusion and disorder.. ...
"Malachi 3: 6 For I am the Lord, I change not; therefore ye sons of Jacob are not consumed.
Numbers 23:19 God is not human, that he should lie, not a human being, that he should change his mind. Does he speak and then not act? Does he promise and not fulfill?
James 1:17 Every good and perfect gift is from above, coming down from the Father of the heavenly lights, who does not change like shifting shadows.
But God did indeed change the law several times:
1)The covenant with Noah,
2) the covenant with Abraham,
3) the covenant with Moses,
4) the covenant with David, and
5) the covenant prophesized in Jeremiah and fulfilled in Jesus.
The New Testament is clear that the requirements of circumcision of the Abrahamic covenant and the Temple sacrifices and food restrictions of the Mosaic covenant are no longer in effect. God does change his law.