Of knowledge there is no satiety.

-Bacon, Francis,Viscount St Albans
  The Advancement of Learning, bk.2.

With thy clear keen joyance Languor cannot be: Shadow of annoyance Never came near thee: Thou lovestöbut ne'er knew love's sad satiety.

-Shelley, Percy Bysshe
  'To a Skylark', stanza16.

Oh, theyarepolitic: they knowourdesireisincreased by the difficulty of enjoying, whereas satiety is a blunt, weary, and drowsy passion.

-Webster,John
  Of women.TheWhite Devil, act1, sc.1.