The difference between a conviction and a prejudice is that you can explain a conviction without getting angry.

(Other Authors and Sources)

Anonymous

No definitive source is found for this quotation. Frequently attributed to Gregory Benford, Deeper than the Darkness (1970), but it has shown up anonymously at least as early as 1951 as "filler" material in periodicals. Also sometimes attributed to Samuel Butler or Dorothy Sarnoff, but not with any citation.