“What hurts the victim most is not the cruelty of the oppressor but the silence of the bystander.”
In an interview with Carol Rittner and Sandra Meyers in Courage To Care - Rescuers of Jews during the Holocaust, NYU Press, 1986, p. 2. Also quoted by Yad Vashem http://www.yadvashem.org/righteous/about-the-program.html and Nicholas Kristoff in The Silence of the Bystanders https://www.nytimes.com/2006/03/19/opinion/the-silence-of-bystanders.html, New York Times (March 19, 2006).
Source: Night