“Il Capello Parlante, Act III, Sc. I. — (Lancourt).”
Camillo Federici (1749–1802) Italian actor and playwright (1749-1802)
Le apparenze spesse volte convincono ed ingannano.
Translation: Appearances are very often both convincing and deceiving.
Translation reported in Harbottle's Dictionary of quotations French and Italian (1904), p. 351.