“If Adam had not fallen, the love of bride and groom would have been the loveliest thing. Now this love is not pure either, for admittedly a married partner desires to have the other, yet each seeks to satisfy his desire with the other, and it is this desire which corrupts this kind of love.
Therefore, the married state is now no longer pure and free from sin. The temptation of the flesh has become so strong and consuming that marriage may be likened to a hospital for incurables which prevents inmates from falling into graver sin. Before Adam fell it was a simple matter to remain virgin and chaste, but now it is hardly possible, and without special grace from God, quite impossible. For this very reason neither Christ nor the apostles sought to make chastity a matter of obligation. It is true that Christ counseled chastity, and he left it up to each one to test himself, so that if he could not be continent he was free to marry, but if by the grace of God he could be continent, then chastity is better” (Luther’s Works, vol. 44, p.9).