I omit from consideration here the fact that people who demand neutrality in any situation are usually not neutral, but in favor of the status quo.

Attributed by internet sources to Enjoyment of Poetry: With Other Essays in Aesthetics (1939), but not confirmed. | The quote appears to have been first published in the essay "The Slogan, 'Propaganda Has No Place in Art,' Is The Symptom Of A Decaying Culture", Stage Magazine (1934).