“If you want to help me, and I know you do, believe in me. And do not help to criticize or break me, as some people do gladly, who are indifferent or hostile [towards me].... You must have faith in me. Believe me. And if you want to believe someone about me, believe an artist, someone like Mesdag or Blommers or Maris [one of Breitner's teachers, c. 1880], but not Kuyper and the likes of him.... and hear what they say and put more value on the talk 'finish better' and 'he is stubborn”

from people who, let's be honest, actually know nothing about art. (The Hague, 1881)
version in original Dutch (citaat van Breitner's brief, in het Nederlands:) Indien U mij wilt helpen en dat weet ik, geloof dan in mij. en helpt niet mee om mij af te breken, dat lieden die of onverschillig zijn of vijandig zoo gaarne doen... ...Gij moet vertrouwen in mij hebben. mij geloven. En als Ge iemand gelooven wilt over mij. geloof dan een schilder iemand als Mesdag of Blommers of Maris, maar geen de Kuyper en consorten... ...en hoor wat ze zeggen en hecht dan nog eenige waarde aan de praatjes van: 'meer af' en: 'hij is koppig' - van lui die goed beschouwd er toch eigentlijk niets van weten. (Den Haag, 1881)
Quote from Breitner's letter to A.P. van Stolk nr. 24, 11 October 1881, (location: The RKD in The Hague); as quoted by Helewise Berger in Van Gogh and Breitner in The Hague, her Master essay in Dutch - Modern Art Faculty of Philosophy University Utrecht, February 2008]], (translation from the original Dutch, Anne Porcelijn) p. 36.
this quote dates from Breitner's period in The Hague, after his Maecenas A.P. van Stolk withdrew his financial support. In his defense, Breitner cites a number of painters from the Hague School he is in contact with and who have already built up a certain reputation.
before 1890