David Sylvester wrote this preface to the catalogue of the Richard Long exhibition at the São Paolo Bienal: Richard Long asked that it be left out
David Sylvester, 20 October 1994
“... is mountainous or flat, these images often have a striking resemblance to compositions by Caspar David Friedrich. Working out there in nature, then, Long is a performer in the open-air theatre of the sublime. But is this aspect of his work its main distinction? There are two possible extreme interpretations of the relationship between Long’s outdoor and ... ”