Thank you for sharing your experience. It can be so frustrating to hear a doctor tell you that over a year of pain is just your imagination.
Megan Phelps-Roper did a great podcast exploring the reasons behind the backlashes against Rowling. The Witch Trials of J. K. Rowling
Here is an article ( in German) that calls into question the attribution to Sophie Scholl. faktencheck page But regardless of the true source, I agree it is a powerful quote.
In Baden, I sometimes even hear them called Grumbeere