"Let no man think we can deny civil liberty to others and retain it for ourselves. When zealous agents of the Government arrest suspected "radicals" without warrant, hold them without prompt trial, deny them access to counsel and admission of bail....we have shorn the Bill of Rights of its sanctity."

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It is the censor's business to make a judgment about the propriety of the content or message of the proposed expressive activity. The regulation here does not authorize any judgment about the content of any speeches. ... A park is a limited space, and to allow unregulated access to all comers could easily reduce rather than enlarge the park's utility as a forum for speech. Just imagine two rallies held at the same time in the same park area using public-address systems that drowned out each other's speakers.

— Richard Posner