“Jacob Maris must have found the cause of this change in the routine, a way of creating developed against his own will, anyhow he once made (c. 1895?) the remark that he. '..would be pleased if would lose for a while the use of his right hand: with his left he would probably be more clumsy, and start to paint as before. (translation from original Dutch, Fons Heijnsbroek, 2018)”