To these people, I say: Read Pastor Martin Niemöller’s poem written during the Holocaust, “First They Came.” We know what has been done so far. What is next?

Both quotes deliberately recall the famous 1946 poem “First They Came . . .” by Martin Niemöller. In it, Niemöller bemoans the German people’s silence during the Nazis’ rise to power.

Among the signs they held was one that read, “First, they came for Mahmoud,” a reference to Pastor Martin Niemöller’s famous saying from Nazi Germany that ends, “and I said nothing ...