"Either/Or" established Kierkegaard's reputation as a respected author. Henriette Wulff, in a letter to Hans Christian Andersen, wrote, "Recently a book was published here with the title "Either/Or"! It is supposed to be quite strange, the first part full of Don Juanism, skepticism, et cetera, and the second part toned down and conciliating, ending with a sermon that is said to be quite excellent. The whole book attracted much attention. It has not yet been discussed publicly by anyone, but it surely will be. It is actually supposed to be by a Kierkegaard who has adopted a pseudonym..."