Ishihara Color Test

Famous quotes containing the words color and/or test:

    ... ideals, standards, aspirations,—those are chameleon words, and take color from their speakers,—often false tints. A scholarly man of my acquaintance once told me that he traveled a thousand miles into the desert to get away from the word uplift, and it was the first word he heard after he reached his destination.
    Carolyn Wells (1862–1942)

    Whenever a true theory appears, it will be its own evidence. Its test is, that it will explain all phenomena.
    Ralph Waldo Emerson (1803–1882)