Kammala wannan jumla: Tarin tunanin da ya yi a cikin littafinsa, littafin ya fara ne a 1925, lokacin da yake ɗan shekara 20, kuma ya ƙare a mutuwarsa a 1961. An samo rubutun da aka buga a cikin teburin gado na gidansa na New York bayan mutuwar Hammarskjöld a Congo. Kamar yadda van Dusen ya rubuta: "Ya karshe dare da aka kashe a cikin mazaunin Sture Linner (), shugaban na
Ofishin Jakadancin Majalisar Dinkin Duniya a Congo. A can ya bar kwafin asalin Jamusanci na Ich und Du (Ni da Kai) wanda Martin Buber ya ba shi da shafuka goma sha biyu na fassararsa zuwa Yaren mutanen Sweden... Kusa da gadon shi ne kwafin Thomas a Kempis "The Imitation of Christ" wanda yake koyaushe a kan teburin gidansa na New York City kusa da gadonsa inda aka sami rubutun "Markings". "