Milton Mayer On Hitler's Rise

How is this to be avoided, among ordinary men, even highly educated ordinary men? Frankly, I do not know. I do not see, even now. Many, many times since it all happened I have pondered that pair of great maxims, Principiis obsta and Finem respice - "Resist the beginnings" and "consider the end."

But one must foresee the end in order to resist, or even see, the beginnings. One must foresee the end clearly and certainly and how is this to be done, by ordinary men or even by extraordinary men? Things might have changed here before they went as far as they did; they didn't, but they might have. And everyone counts on that might.