The new law that was explained by Jesus is in Mk. 7:19. He declared that the food we eat does not enter the heart but, into the belly, and is passed out into the draught.
Further, 1Tim. 4:4-5 says every creature of God is good when we receive it with thanksgiving. And so, even if the food is pork which the Israelites regarded as unclean; in this Christian era when our High Priest is Jesus Christ, everything created by God is clean. We just need to pray to sanctify the food.
We now listen to the Lord Jesus Christ rather than Moses because the bases of our faith rests on the sayings of Christ. Heb. 1:1-2 says God spoke through the prophets previously but now spoke to us by his Son, who is heir of all things.
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