Tertullian

“ Therefore, whether it be for the sake of the flesh, or of the world, [8] or of posterity, that marriage is undertaken, nothing of all these “necessities” affects the servants of God, so as to prevent my deeming it enough to have once for all yielded to some one of them, and by one marriage appeased [9] all concupiscence of this kind. Let us marry daily, and in the midst of our marrying let us be overtaken, like Sodom and Gomorrah, by that day of fear! [10] For there it was not only, of course, that they were dealing in marriage and merchandise ”

“ Chapter V.—Of the Love of Offspring as a Plea for Marriage.
Further reasons for marriage which men allege for themselves arise from anxiety for posterity, and the bitter, bitter pleasure of children. To us this is idle. ”

“ To the servant of God, forsooth, offspring is necessary! For of our own salvation we are secure enough, so that we have leisure for children! Burdens must be sought by us for ourselves which are avoided even by the majority of the Gentiles, who are compelled by laws, [4] who are decimated [5] by abortions ”