If we seek for the simplest arrangement, which would enable it [the eye] to receive and discriminate the impressions of the different parts of the spectrum, we may suppose three distinct sensations only to be excited by the rays of… — Thomas Young Copy Share Image
![“If we seek for the simplest arrangement, which would enable it [the eye] to receive and discriminate the impressions of the different parts of the spectrum, we may suppose three distinct sensations only to be excited by the rays of the three principal pure colours, falling on any given point of…” quote by Thomas Young](https://sms4smile.com/quotes/img-quotes/8fa/thomas-young-34970_arrangements_if-we-seek-for-the-simplest-arrangement_2986199.jpg)