experience is the best teacher

== English == === Etymology === Calque of Latin ūsus magister est optimus, from Prō Rabīriō Postumō by Cicerō about Gāius Rabīrius Postumus. === Proverb === experience is the best teacher Lessons learned from experience are the most lasting. ==== Translations ==== === See also === experience is the mother of wisdom practice makes perfect school of hard knocks Ut est rērum omnium magister ūsus