God's law is spiritual (Romans 7:14), so it has always been intended to teach us deeper spiritual principles that are aspects of His nature and the way to know Him. God's nature is eternal, so all of His laws for how to testify about His nature are there also eternal, which is why Psalms 119:160 says that all of God's righteous laws are eternal, so none of them will ever become obsolete. In Deuteronomy 4:2, it is sin to add to or subtract from God's law, so while Jesus expounded upon God's law, he did not expand it.
The Bible never lists which laws are moral, ethical, hygienic, ceremonial, or civil, and never even refers to those as being categories of law. People are free to categorize God's laws however we want, such as I could categorize them based on which part of the body is most commonly used to obey/disobey them, such as with the law against theft being a hand law, but just because I can categorize them in that manner does not establish that any of the authors of the Bible categorizes them in the same manner, so I would quickly run into error if I interpreted them as referring to a category that I just created.
Morality is in regard to what we ought to do and we ought to obey God, so all of God's laws are inherently moral laws. While some of God's laws have aspects that are hygienic, the point is not to have good hygiene. For example, many people will wash themselves clean from dirt before ritually immersing. In 1 Peter 1:16, we are told to be holy for God is holy, which is a quote from Leviticus where God was giving instructions for how to do that, which includes refraining form eating unclean animals (Leviticus 11:44-45), so while there are night and day differences between how healthy it is to eat clean or unclean animals and there are a tremendous number of parasites and diseases that have been transferred to humans through eating unclean animals, the purpose is to testify about God's holiness, which is about much more than hygiene.
The Bible never lists which laws are moral, ethical, hygienic, ceremonial, or civil, and never even refers to those as being categories of law. People are free to categorize God's laws however we want, such as I could categorize them based on which part of the body is most commonly used to obey/disobey them, such as with the law against theft being a hand law, but just because I can categorize them in that manner does not establish that any of the authors of the Bible categorizes them in the same manner, so I would quickly run into error if I interpreted them as referring to a category that I just created.
Morality is in regard to what we ought to do and we ought to obey God, so all of God's laws are inherently moral laws. While some of God's laws have aspects that are hygienic, the point is not to have good hygiene. For example, many people will wash themselves clean from dirt before ritually immersing. In 1 Peter 1:16, we are told to be holy for God is holy, which is a quote from Leviticus where God was giving instructions for how to do that, which includes refraining form eating unclean animals (Leviticus 11:44-45), so while there are night and day differences between how healthy it is to eat clean or unclean animals and there are a tremendous number of parasites and diseases that have been transferred to humans through eating unclean animals, the purpose is to testify about God's holiness, which is about much more than hygiene.
Now what do you do with all of the ceremonial laws, civil laws, are you saying these are forever? Jesus paid the price of our sins forever, will sacrifices resume in the Kingdom of heaven? I would like to hear from you on these obsolete laws that can no longer be followed.
Blessings,