Power Spectral Density

Famous quotes containing the words power and/or spectral:

    When power becomes gracious and descends into the visible—such descent I call beauty.
    Friedrich Nietzsche (1844–1900)

    How does one kill fear, I wonder? How do you shoot a spectre through the heart, slash off its spectral head, take it by its spectral throat?
    Joseph Conrad (1857–1924)