Substitution/sciences

Famous quotes containing the words substitution and/or sciences:

    Virtue is the adherence in action to the nature of things, and the nature of things makes it prevalent. It consists in a perpetual substitution of being for seeming, and with sublime propriety God is described as saying, I A—.
    Ralph Waldo Emerson (1803–1882)

    Letting a hundred flowers blossom and a hundred schools of thought contend is the policy for promoting the progress of the arts and the sciences and a flourishing culture in our land.
    Mao Zedong (1893–1976)