|This article about a physicist is a stub. You can help Wikiquote by expanding it.|
- The advance from drawing to painting should be gradual , and no serious attempts in colour should be made until the student has obtained proficiency in outline and in light and shade. If the artist cannot draws objects in a rather masterly way there is no point in his attempting colour.
- Students' Text-book of Color; Or, Modern Chromatics, with Applications to Art and Industry. New York: D. Appleton and Company. 1881.