Martin Luther said this quote
“ The purpose of marriage is not to have pleasure and to be idle, but to procreate and bring up children, to support a household. This, of course, is a huge burden full of great cares and toils. But you have been created by God to be a husband or a wife that you may learn to bear these troubles. Those who have no love for children are... unworthy of being called men or women; for they despise the blessing of God, the creator and author of marriage. ”