
The evil is not what they say about their cause, but what they say about their opponents.
" Extremism, Left and Right http://books.google.com/books?id=o3mHAAAAMAAJ&q=%22What+is+objectionable+what+is+dangerous+about+extremists+is+not+that+they+are+extreme+but+that+they+are+intolerant%22+%22evil+is+not+what+they+say+about+their+cause+but%22&pg=PA68#v=onepage," The Pursuit of Justice, pt. 3 (1964)