“When I look back on it, I think, “Why didn’t you stop the cruelty earlier?” To stand back was contrary to my upbringing and nature. When I stood back as a noninterfering experimental scientist, I was, in a sense, as drawn into the power of the situation as any prisoners and guards.”

“When I look back on it, I think, “Why didn’t you stop the cruelty earlier?” To stand back was contrary to my upbringing and nature. When I stood back as a noninterfering experimental scientist, I was, in a sense, as drawn into the power of the situation as any prisoners and guards.”

— Philip Zimbardo