I am working here [Amsterdam] on my last big triptych, which will be a tremendous story, and which gives me a more intense life and exhilaration. My God, life is worth living!

In: a letter to Stephan Lackner, Amsterdam, 1939; as quoted in Max Beckmann, Stephan Lackner, Bonfini Press Corporation, Naefels, Switzerland, 1983, p. 5