The gate to the Auschwitz concentration camp not only stands for one of the greatest crimes in human history, it also shows the cynical world view. "Work sets you free" is written there in heavy iron letters, framed in a wrought-iron arch. Between 1940 and 1945, 1.1 million to 1.5 million people died in the camp, most of them Jews. The phrase "work sets you free" has become a symbol of this. But if you look closely, you will discover an irregularity. The letter B in the word "work" looks different than usual, it is upside down: the small bulge...