Working Material

Famous quotes containing the words working and/or material:

    We can come up with a working definition of life, which is what we did for the Viking mission to Mars. We said we could think in terms of a large molecule made up of carbon compounds that can replicate, or make copies of itself, and metabolize food and energy. So that’s the thought: macrocolecule, metabolism, replication.
    Cyril Ponnamperuma (b. 1923)

    ‘Pure experience’ is the name I gave to the immediate flux of life which furnishes the material to our later reflection with its conceptual categories.
    William James (1842–1910)