Are we on Vulcan?
Ineffabitily is not limited to deities.
As to the differences and how they relate to a child's development; the female is a mother and the male is a father. Mothers are not irrelevant. Mothers are crucial because they are mothers. Fathers are not irrelevant. Fathers are crucial because they are fathers. And this ongoing and overtly hostile quest to delegitimize either or both in the name of some new age version of a progressive society is political correctness taken to the most absurd level and contrary to the most basic tenets of humanity. Are we truly at a stage in our evolution where, if we cannot present the value of a human being on a flow chart or a page of statistics, that human value is then considered irrelevant and not only to be ignored, but attacked? Ouch. Take that logic far enough and the family itself could be disolved and our children raised in government camps because the "Holy Trinity" of science, statistics, and ice cold logic would back the idea 100%.
I suspect this obsession to neuter society (at the cost of children, mothers, and fathers) for the sake of some perceived benefit of "equality" is - thank God - a transient minority view that will go the way of the Macarena and the pet rock. I look forward to its demise and will celebrate its fall with great gladness.
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