Paul Cezanne. Mont Sainte-Victoire. Oil on canvas. 65 x 81 cm. 1904-06. (Image source and info: Wikipedia.)
All my life I have worked to be able to earn my living, but I thought that one could do good painting without attracting attention to one's private life. Certainly, an artist wishes to raise himself intellectually as much as possible, but the man must remain obscure. The pleasure must be found in the work.