I thought it said specifically that if a man were to lay with another man, then that man would be considered an abomination. Strange. It said nothing about women though. lol
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I'm still trying to find the etymology for that line, but fun fact: The laws of Leviticus don't apply to anyone but Jews under the covenant. They were tribal-style laws created for the sake of the Chosen People's prosperity, especially when they were still trying to find Israel. No eating certain things because that stuff's poisoned, no being gay because we need babies, etc. etc.
None of the laws in Leviticus have any applicability to the non-Chosen. Even if it did, well, damn, we're all wearing clothes with mixed fabrics, and most of us love bacon and stuff. And ALL SINS ARE EQUAL, so......yea.
Of course, the bible says a lot of things about sexuality that we don't do now. Like allowing polygamy, and that you should take your elder brother's wife if he dies before she bears him an heir. Obviously the part about passing laws against homosexuals in secular countries is written a lot more clearly...
Not to mention that traditional marriage is between a man and his wife, his other wifes, his concubines, as many lovers as he can support, any girls he raped, and any girls he bought from their fathers.