October 1843 Kierkegaard published three books: Fear and Trembling , under the pseudonym Johannes de Silentio; Three Upbuilding Discourses, 1843 under his own name; and Repetition as Constantin Constantius. [ 53 ] He later published Four Upbuilding Discourses, 1843 , again using his own name. In 1844, he published Two Upbuilding