Art today is moving in directions of which our forebears had no inkling; the Horsemen of the Apocalypse are heard galloping through the air; artistic excitement can be felt all over Europe – new artists are signalling to one another from all sides; a glance, a touch of the hand, is enough to convey understanding.

In: Franz Marc's Manifesto for 'Der Blaue Reiter' group, (1912); as quoted in Letters of the great artists – from Blake to Pollock, Richard Friedenthal, Thames and Hudson, London, 1963, p. 207