“Anybody can decide a question if only a single principle is in controversy.” — Felix Frankfurter

The mark of a truly civilized man is confidence in the strength and security derived from the inquiring mind.

The ultimate touchstone of constitutionality is the Constitution itself and not what we have said about it.

I don't like a man to be too efficient. He's likely to be not human enough.

I came into the world a Jew, and although I did not live my life entirely as a Jew, I think it is fitting that I should leave as a Jew. I don't want to turn my back on a great and noble heritage.