What finally emerges from the 'clear and present danger' cases is a working principle that the substantive evil must be extremely serious and the degree of imminence extremely high before utterances can be punished...It must be taken as a command of the broadest scope that explicit language, read in the context of a liberty-loving society, will allow.
Hugo BlackFreedom to speak and write about public questions is as important to the life of our government as is the heart to the human body. In fact, this privilege is the heart of our government. If that heart be weakened, the result is debilitation; if it be stilled, the result is death.
Hugo BlackThe Framers of the Constitution knew that free speech is the friend of change and revolution. But they also knew that it is always the deadliest enemy of tyranny.
Hugo BlackThe first ten amendments were proposed and adopted largely because of fear that Government might unduly interfere with prized individual liberties. The people wanted and demanded a Bill of Rights written into their Constitution. The amendments embodying the Bill of Rights were intended to curb all branches of the Federal Government in the fields touched by the amendments-Legislative, Executive, and Judicial.
Hugo Black