“errare humanum est perseverare diabolicum” attributed to Seneca the Younger
“To err is human, to persist is of the devil”
“It is human to err; it is devilish to remain willfully in error”
“To err is human, to persist in error beastly”
Cuiusvis hominis est errare, nullius nisi insipientis in errore perseverare.
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