On Vision and Colors tried to demonstrate physiologically that color is "specially modified activity of the retina." The initial basis for Schopenhauer's color theory comes from Goethe's chapter on physiological colors, which discusses three principal pairs of contrasting colors: red/green, orange/blue, and yellow/violet. This is in contrast to the customary emphasis on Newton's seven colors of the Newtonian spectrum. In accordance with Aristotle, Schopenhauer considered that colors arise by the mixture of shadowy, cloudy darkness with light. With white and black at each extreme of the scale, colors are arranged in a series according to the mathematical ratio between the proportions of light and
When I Consider How My Light is Spent When I Consider How My Light is Spent "When I Consider How My Light is Spent" is one of the best known of the sonnets of John Milton (d. 1674). The last three lines (concluding with "They also serve who only stand and wait.") are particularly well known, although rarely quoted in context. In the US, it is perhaps most known in pop culture for the Hall of Fame baseball broadcaster Vin Scully, who would recite it when showing a player not in the game. The sonnet was first published in Milton's 1673 Poems. In his autograph notebook (known as