That's something I learned from reading too many books about WWII. It all started with the little things. What's that "first they came" quote again?

First they came for the Communists and I did not speak out because I was not a Communist.
Then they came for the Socialists and I did not speak out because I was not a Socialist.
Then they came for the trade unionists and I did not speak out because I was not a trade unionist.
Then they came for the Jews and I did not speak out because I was not a Jew.
Then they came for me and there was no one left to speak out for me.