Tertullian

“ What if a man thinks on posterity, with thoughts like the eyes of Lot’s wife; so that a man is to make the fact that from his former marriage he has had no children a reason for repeating marriage? A Christian, forsooth, will seek heirs, disinherited as he is from the entire world! ”

“ For in him matter is abundant: whence he presumes that even the soul is material; and therefore much more (than other men) he has not the Spirit from God, being no longer even a Psychic, because even his psychic element is not derived from God’s afflatus! What if a man allege “indigence,” so as to profess that his flesh is openly prostituted, and given in marriage for the sake of maintenance ”

“ But I smile when (the plea of) “infirmity of the flesh” is advanced in opposition (to us: infirmity) which is (rather) to be called the height of strength. Iteration of marriage is an affair of strength: to rise again from the ease of continence to the works of the flesh, is (a thing requiring) substantial reins. Such “infirmity” is equal, to a third, and a fourth, and even (perhaps) a seventh marriage; as (being a thing) which increases its strength as often as its weakness ”