In teaching you cannot see the fruit of a day's work. It is invisible and remains so, maybe for twenty years.

1991 An Essay on French Verse: For Readers of English Poetry. 1974 The Use and Abuse of Art (A. 1956 The Energies of Art: Studies of Authors Classic and Modern.

Barzun's Teacher in America (1945) was an important influence on post-WWII training of schoolteachers in the United States. Jacques Martin Barzun (November 30 1907 – October 25 2012) was a French-born American historian of ideas and culture.