What is important to me in my work is the identity that is hidden behind so-called reality. I search for a bridge from the given present tot the invisible, rather as a famous cabalist once said, 'If you wish to grasp the invisible, penetrate as deeply as possible into the visible'.

In: his public speech 'On my painting', for the exhibition 'Twentieth-Century German Art', London, 21 July 1938; as quoted in Max Beckmann, Stephan Lackner, Bonfini Press Corporation, Naefels, Switzerland, 1983, p. 77