I find this quote in particular the most meaningful one in descriptions of the Protest:

A Gestapo man who no doubt would have heartlessly done his part to deport the Jews imprisoned in the Rosenstraße was so impressed by the people on the streets that, holding up his hands in a victory clasp of solidarity with a Jew about to be released, he pronounced proudly: "You will be released, your relatives protested for you. That is German loyalty."

^Yeah, that's what non-violence got people in Nazi Germany. The regime really could have backed down if more people had done this.