Let My People Know "Human vision assimilates a small fragment of the spectrum" January 21, 2009by Arthur Kurzweil “We know that human vision assimilates only a small fragment of the spectrum; as far as our senses are concerned, the rest of it does not exist.” –Rabbi Adin Steinsaltz From The Thirteen Petalled Rose, p. 12, by Rabbi Adin Steinsaltz