As a matter of constitutional tradition, in the absence of evidence to the contrary, we presume that governmental regulation of the content of speech is more likely to interfere with the free exchange of ideas than to encourage it. The interest in encouraging freedom of expression in a democratic society outweighs any theoretical but unproven benefit of censorship.
The dictionary is based on the hypothesis -- obviously an unproven one -- that languages are made up of equivalent synonyms.
We have no intention of abandoning the American people to unproven theories and extreme positions. We're the people party and we're going to stick up for the people.
The vortex theory [of the atom] is only a dream. Itself unproven, it can prove nothing, and any speculations founded upon it are mere dreams about dreams.
In 1966 the ACS formulated a State Model Cancer Act which was instrumental in the enactment of anti-quackery laws now enforced in 9 states. . . In California (it is a) felony. . . The use of unproven methods is also a criminal offense in Colorado, Illinois, Kentucky, Maryland, Nevada, North Dakota, Ohio, and Pennsylvania.
