Easy-to know that diamonds-are precious, Good-to learn that rubies-have depth, But more-to see that pebbles-are miraculous.
Josef AlbersRepeated similar experiments with adjacent colors will show that any ground subtracts its own hue from colors which it carries and therefore influences.
Josef AlbersEvery perception of color is an illusion, we do not see colors as they really are. In our perception they alter one another.
Josef Albers