Then I can see that I'm with you [in Dresden] at the end of April - beginning of May. Then I'll also paint with you the few works which are desired of me, if you'll help me - because I have already forgotten how to paint.

In a letter to his wife Sophie Küppers (February 1926):' (letter 8-2-1926, Lissitzky-Küppers), Archive van Abbemuseum, Eindhoven, 1990