Explore "Love-Marriage-Birth Control" by Viscount Bertrand Edward Dawson Dawson on Textopian. Read with annotations and highlights.
Now the plain meaning of this statement is that sexual union should take place for the sole purpose of procreation, that sexual union as "an" end in itself-not, mind you, "the" only end-(there we should all agree), but sexual union as "an" end in itself is to be condemned.
That means that sexual intercourse should rightly take place "only" for the purpose of procreation.