The most chilling part is "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 th…
And the individual, powerless, has to exert the
Powers of will and choice
And choose between enormous evils, either
Of which depends on somebody else’s voice.
It's, maybe, 80 or so pages of poetry, but imo well worth reading. It's available, among other places, at the Internet Archive: