"The lithograph Two Trees in Memory of the Metzayer (1972) was printed in nine colors on coarse domestic paper. The Metzayer's personality (Hebrew acronym of "Mordechai Zvi, native of Radoshkavich"), a 19th-century poet from Vilnius who wrote Hebrew articles on the philosophy of painting, preoccupied and inspired Aroch. In this print, the Arochian elements--the motif (the profile), the form in space (the two trees), the line and the color--reach a highly refined balance." (Yona Fischer, Catalogue: "Itineraries and Forms")