On Vision and Colors are, however, nonessential properties that differ according to the type of light-refracting substance that is used. The top of the upper image is violet. Below the violet is blue. The bottom of the lower image is orange. Above the orange is yellow. In this way, along with the white disk and the black background, four prismatic colors appear: violet, blue, yellow, and orange. This is in disagreement with Newton's claim that there are seven prismatic colors. As the upper image overlaps black, it is seen as violet. Where it overlaps white, it is seen as blue. As the lower image
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