Harold J. Laski: “They illustrate the inescapable truth that law must make its way to acceptance through the channel of consenting minds.”

Ultimately, that denial is always made upon the same ground: it is insisted that the doctrines or practices attacked are subversive of the civil order.

The intolerance may be Catholic, when it insists that a unity of outlook is essential for the preservation of society; or it may be Protestant when, as with Calvin and the Socinians, it holds that the blasphemous nature of the belief…

Each age finds that the incidence of freedom is significant at some special point, and there, once more, the lesson of freedom has to be learned.

To deny novelty or grievance a right of expression is a certain, if, indeed, an ultimate, validation of the truth they contain.