my permanent possessions

...never in the history of mankind, never anywhere in the realm of human relations did anything occur to compare with what was inflicted on the Jewish population of Poland... The images of what I saw in the death camp are, I am afraid, my permanent possessions. I would like nothing better than to purge my mind of these memories.

who took the message about the Polish Ghetto to the wartime Allies, and was disbelieved.