"They Thought They Were Free: The Germans, 1933-45" by Milton Mayer:

    ..It is clearer all the time that, if you are going to do anything, you must make an occasion to do it, and then you are obviously a troublemaker. So you wait, and you wait.

    "But the one great shocking occasion, when tens or hundreds or thousands will join with you, never comes. That’s the difficulty. If the last and worst act of the whole regime had come immediately after the first and smallest, thousands, yes, millions would have been sufficiently shocked—if, let us say, the gassing of the Jews in ’43 had come immediately after the ‘German Firm’ stickers on the windows of non-Jewish shops in ’33. But of course this isn’t the way it happens. In between come all the hundreds of little steps, some of them imperceptible, each of them preparing you not to be shocked by the next. Step C is not so much worse than Step B, and, if you did not make a stand at Step B, why should you at Step C? And so on to Step D.

    "And one day, too late, your principles, if you were ever sensible of them, all rush in upon you. The burden of self-deception has grown too heavy, and some minor incident, in my case my little boy, hardly more than a baby, saying ‘Jewish swine,’ collapses it all at once, and you see that everything, everything, has changed and changed completely under your nose. The world you live in—your nation, your people—is not the world you were born in at all. The forms are all there, all untouched, all reassuring, the houses, the shops, the jobs, the mealtimes, the visits, the concerts, the cinema, the holidays. But the spirit, which you never noticed because you made the lifelong mistake of identifying it with the forms, is changed. Now you live in a world of hate and fear, and the people who hate and fear do not even know it themselves; when everyone is transformed, no one is transformed. Now you live in a system which rules without responsibility even to God. The system itself could not have intended this in the beginning, but in order to sustain itself it was compelled to go all the way.

    "You have gone almost all the way yourself. Life is a continuing process, a flow, not a succession of acts and events at all. It has flowed to a new level, carrying you with it, without any effort on your part. On this new level you live, you have been living more comfortably every day, with new morals, new principles. You have accepted things you would not have accepted five years ago, a year ago, things that your father, even in Germany, could not have imagined.

    "Suddenly it all comes down, all at once. You see what you are, what you have done, or, more accurately, what you haven’t done (for that was all that was required of most of us: that we do nothing). You remember those early meetings of your department in the university when, if one had stood, others would have stood, perhaps, but no one stood. A small matter, a matter of hiring this man or that, and you hired this one rather than that. You remember everything now, and your heart breaks. Too late. You are compromised beyond repair...