Pure Point Spectrum

Famous quotes containing the words pure and/or point:

    To conceive the good, in fact, is not sufficient; it must be made to succeed among men. To accomplish this, less pure paths must be followed.
    Ernest Renan (1823–1892)

    No doubt, to a man of sense, travel offers advantages. As many languages as he has, as many friends, as many arts and trades, so many times is he a man. A foreign country is a point of comparison, wherefrom to judge his own.
    Ralph Waldo Emerson (1803–1882)