| tekst =My paintings are not an "abstract version of nature", nor is most Abstract Expressionist painting. My work has a strong sense of light, but it is not atmospheric light, it is generated instead by planar color and value.
| taal = Engels
| bron = Robert Motherwell, conform {{aut|Jack Flam}}, ''Motherwell'', New York, 1991, p. 11
| tekst =Ik maak wel tien schilderijen op één schilderij.
| bron =
| aangehaald = {{aut|Henny de Lange}}, [http://www.trouw.nl/tr/nl/4512/Cultuur/archief/article/detail/1848282/2011/02/11/Een-leven-lang-veelbelovend.dhtml ''Een leven lang veelbelovend''], Trouw, 11 februari 2011.