• PAY THE IMPOSTS OF LOVE

Excepting those afflicted with vices of conformation or with disorders of sensibility -- which amount to the same thing -- all wives are called upon to receive and pay the imposts of love, and those who can withdraw themselves from the operation of this mysterious law without suffering and with satisfaction, show themselves by that fact to be incomplete in their organization, and deficient in the special function of their being ... Generation is a duty.

-- From "Physical life of a woman: Advice to the maiden, wife, and mother" by Geo. H. Napheys, 1871.