Leviticus only applies to the Levites

[Thumpalumpacus]

Where in your book does it say that the same principle does not apply to other books like Leviticus?

This really is not an answer; you're just saying, "Because."

I explained it.

Since Leviticus is Levitical law, Think of it the same way as our laws.

The law applies to everyone, but lawyers are the ones who practice it.

So therefore where Leviticus describes how to make an offering or sacrifice, that applies to the priests because they are the only ones with that authorization.

your normal layperson probably wouldn't know all the Levitical laws, that's the job of the priests.

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That doesn't explain why the same principle is not in play when other books written to specific subgroups are thereafter generalized to all Christians.

In short, you're engaged in special pleading.