On occasion, quite apart from any threat of persecution, an advocate may believe her ideas will be more persuasive if her readers are unaware of her … - John Paul Stevens

Great works of literature have frequently been produced by authors writing under assumed names. Despite readers' curiosity and the public's interest in identifying the creator of a work of art, an author generally is free to decide whether or not to disclose her true identity. The decision in favor of anonymity may be motivated by fear of economic or official retaliation, by concern about social ostracism, or merely by a desire to preserve as much of one's privacy as possible. Whatever the motivation may be, at least in the field of literary endeavor, the interest in having anonymous works enter the marketplace of ideas unquestionably outweighs any public interest in requiring disclosure as a condition of entry.

[B]y requiring that an execution be relatively painless, we necessarily protect the inmate from enduring any punishment that is comparable to the suffering inflicted on his victim. This trend, while appropriate and required by the Eighth Amendment's prohibition on cruel and unusual punishment, actually undermines the very premise on which public approval of the retribution rationale is based.

(TH: In Justice Stevens’ dissent in Citizens United, he pointed out that corporations in their modern form didn’t even exist when the Constitution was written in 1787 and got its first ten amendments in 1791, including the First which protects free speech)