"I have always found that the man whose second thoughts are good is worth watching."

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Any man may make a mistake; none but a fool will stick to it. Second thoughts are best as the proverb says. [Lat., Cujusvis hominis est errare; nullius, nisi insipientis, in errore perseverae. Posteriores enim cogitationes (ut aiunt) sapientiores solent esse.]

— Marcus Tullius Cicero