Test Substance

Famous quotes containing the words test and/or substance:

    There is held to be no surer test of civilisation than the increase per head of the consumption of alcohol and tobacco. Yet alcohol and tobacco are recognisable poisons, so that their consumption has only to be carried far enough to destroy civilisation altogether.
    Havelock Ellis (1859–1939)

    We are nothing but ceremony; ceremony carries us away, and we leave the substance of things; we hang on to the branches and abandon the trunk and body.
    Michel de Montaigne (1533–1592)