The habit of breaking up one's colour to make it brilliant dates from further back than Impressionism - Couture advocates it in a little book called 'Causeries d'Atelier' written about 1860 - it is part of the technique of Impressionism but used for quite a different reason.
John Singer SargentAn artist painting a picture should have at his side a man with a club to hit him over the head when the picture is finished.
John Singer SargentIt is certain that at certain times talent entirely overcomes thought or poetry.
John Singer SargentCultivate an ever continuous power of observation. Wherever you are, be always ready to make slight notes of postures, groups and incidents. Store up in the mind... a continuous stream of observations from which to make selections later. Above all things get abroad, see the sunlight and everything that is to be seen.
John Singer Sargent