My travelling companion [= Corot] has just abandoned me. He's a perfect Father Joy, this Father Corot. He is altogether a wonderful man, who mixes jokes in with his very good advice.
Source, in full
Quote about Corot, in his letter of 1852; as cited in Corot, Gary Tinterow, Michael Pantazzi, Vincent Pomarède - Galeries nationales du Grand Palais (France), National Gallery of Canada, Metropolitan Museum of Art (New York, N.Y.), 1996, p.271 – note 62
Notes from Wikiquote
Corot's relationship with Daubigny was by far his most important friendship with another artist, during the 1860-70's