Air System

Famous quotes containing the words air and/or system:

    The air was so elastic and crystalline that it had the same effect on the landscape that a glass has on a picture, to give it an ideal remoteness and perfection.
    Henry David Thoreau (1817–1862)

    Science is a system of statements based on direct experience, and controlled by experimental verification. Verification in science is not, however, of single statements but of the entire system or a sub-system of such statements.
    Rudolf Carnap (1891–1970)