Greatest of all it is that all men are set before him as silver before the refiner, to know which is alloyed silver, which is pure silver. And, moreover, he beholdeth in families: How many in a family be children of forbidden unions, How many in a family be children of their mother’s impurity, How many in a family be wounded in the stones, How many in a family be cut off of their privy members, How many in a family be children of slaves, How many in a family be children of the uncircumcised, How many in a family be unfit for the priesthood.