There you were, in one of the Krakow ghettos, where the Jews were kept apart - Goldberg, Poldek, Mila, Helen and Mietek were talking around a brass can, warming themselves.

Poldek: You think you're a genius!

Goldberg: I think a lot!

They were arguing. You worked for the German Oskar Schindler, and Stern, one of your middle-aged Jewish colleagues, was the German's right-hand man.