Fear of ideas makes us impotent and ineffective.

Once the government can demand of a publisher the names of the purchasers of his publication, the free press as we know it disappears. Then the spectre of a government agent will look over the shoulder of everyone who reads. ... Fear of criticism goes with every person into the bookstall. The subtle, imponderable pressures of the orthodox lay hold. Some will fear to read what is unpopular, what the powers-that-be dislike. ... fear will take the place of freedom in the libraries, book stores, and homes in the land.

Sunlight is the best disinfectant.

The challenge to our liberties comes frequently not from those who consciously seek to destroy our system of government, but from men of goodwill - good men who allow their proper concerns to blind them to the fact that what they propose to accomplish involves an impairment of liberty.

Discovery is adventure. There is an eagerness, touched at times with tenseness, as man moves ahead into the unknown. Walking the wilderness is indeed like living. The horizon drops away, bringing new sights, sounds, and smells from the earth. When one moves through the forests, his sense of discovery is quickened. Man is back in the environment from which he emerged to build factories, churches, and schools. He is primitive again, matching his wits against the earth and sky. He is free of the restraints of society and free of its safeguards too.

The function of the prosecutor under the federal Constitution is not to tack as many skins of victims as possible against the wall. His function is to vindicate the rights of the people as expressed in the laws and give those accused of crime a fair trial.

Free speech is not to be regulated like diseased cattle and impure butter. The audience (in this case, the judge or the jury) that hissed yesterday may applaud today, even for the same performance.