Marcus Tullius Cicero Quotes about Truth
So near is falsehood to truth that a wise man would do well not to trust himself on the narrow edge.
"Academici". Book by Marcus Tullius Cicero (Book IV, Chapter 21), translated, 45 BC.
De Oratore. It is more important that these maxims be observed by U.S. intelligence analysts than by historians.
"Oratio Pro Quinto Roscio Comœdo" by Cicero, XX,
Marcus Tullius Cicero (2014). “Delphi Complete Works of Cicero (Illustrated)”, p.1050, Delphi Classics