#Text , 348 bytes

First 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 for me.

This is the shortest possible version in its language, and is on par with the Befunge-93 answer at time of writing.

Text , 348 bytes

First 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 for me.

This is the shortest possible version in its language, and is on par with the Befunge-93 answer at time of writing.

#Text, 348 bytes

First 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 for me.

This is the shortest possible version in its language, and is on par with the Befunge-83 answer at time of writing.

#Text, 348 bytes

First 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 for me.

This is the shortest possible version in its language, and is on par with the Befunge-93 answer at time of writing.