
Quote of Rembrandt, recorded by his pupil Samuel van Hoogstraten, 1678 http://remdoc.huygens.knaw.nl/#/document/remdoc/e14113; as cited by W.Gs Hellinga, Rembrandt fecit 1642: de Nachtwacht, Gysbrecht van Aemstel', J.M. Meulenhoff, Amsterdam 1956, p. 4 (translation from the original Dutch: Anne Porcelijn)
Rembrandt is teaching his student Samuel van Hoogstraten (c. 1642), http://www.dbnl.org/tekst/hell014remb01_01/ according to W. Gs. Hellinga
1640 - 1670