It is our attitude toward free thought and free expression that will determine our fate. There must be no limit on the range of temperate discussion, no limits on thought. No subject must be taboo. No censor must preside at our assemblies. We need all the ingenuity we possess to avert the holocaust.

"The One Un-American Act," Speech to the Author's Guild Council in New York, on receiving the 1951 Lauterbach Award.