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)
Quotes from book
The Pursuit of Justice
The Pursuit of Justice was a book written by Robert F. Kennedy and published in 1964. The book consisted of 12 revamped speeches delivered by Kennedy during his tenure as United States Attorney General. It was reviewed by Judge Roger J. Kiley.
The Pursuit of Justice http://books.google.com/books?id=o3mHAAAAMAAJ&q="Every+society+gets+the+kind+of+criminal+it+deserves+What+is+equally+true+is+that+every+community+gets+the+kind+of+law+enforcement+it+insists+on" pt. 3, "Eradicating Free Enterprise in Organized Crime," (1964)
Alexander Lacassange https://en.m.wikipedia.org/wiki/Alexandre_Lacassagne Attribution of original quote
“The free way of life proposes ends, but it does not prescribe means.”
"Berlin East and West," The Pursuit of Justice https://books.google.com/books?id=o3mHAAAAMAAJ&focus=searchwithinvolume&q=%22The+free+way+of+life+proposes+ends%2C+but+it+does+not+prescribe+means.%22, pt. 5, (1964), p. 108