"Leonardo's Battle of Anghiari fresco also exposed in the crudest terms
the horror of war, which he unhesitatingly described as 'una pazzia
bestialissima' (a most bestial folly). Indeed, Vasari's description of
the painting opens with the words: 'Fury, hate and rage are as visible
in the men as in the horses.'"
Serge Bramley, "Leonardo, The Artist and the Man"