The policy of the emperors and the senate, as far as it concerned religion, was happily seconded by the reflections of the enlightened, and by the habits of the superstitious, part of their subjects. The various modes of worship, which prevailed in the Roman world, were all considered by the people, as equally true; by the philosopher, as equally false; and by the magistrate, as equally useful. And thus toleration produced not only mutual indulgence, but even religious concord.
Under the First Amendment there is no such thing as a false idea. However pernicious an opinion may seem, we depend for its correction not on the conscience of judges and juries but on the competition of other ideas.
Interpretation
What this quote means
The quote emphasizes the importance of free expression and discourse in correcting false ideas through competition among different opinions.
Lewis F. Powell, Jr. asserts that in a democratic society, all ideas, regardless of how harmful or misguided they may appear, must be allowed to compete freely in the marketplace of ideas. He suggests that the best way to address potentially harmful opinions is not by suppressing them through legal judgment but by allowing other, more accurate or beneficial ideas to challenge and ultimately prevail over them.
Themes
In practice
Example use cases
During a panel discussion on free speech, one may quote this to highlight the importance of allowing diverse opinions to coexist.
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