"Qui non proficit, deficit."
— Unknown
January 1, 1970
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Added on April 10, 2026
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Proverbs by language
Latin language
Original Language: English
Sources
Stone, J. R. (2005). The Routledge Dictionary of Latin Quotations: The Illiterati's Guide to Latin Maxims, Mottoes, Proverbs and Sayings, Routledge.
https://en.wikiquote.org/wiki/Latin_proverbs
Stone, J. R. (2005). The Routledge Dictionary of Latin Quotations: The Illiterati's Guide to Latin Maxims, Mottoes, Proverbs and Sayings, Routledge.