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.

You say, as I have often given tongue In praise of what another's said or sung, 'Twere politic to do the like by these; But was there ever dog that praised his fleas?

-Yeats,W(illiam) B(utler)
  'To a Poet, who would have me Praise certain Bad Poets, Imitators of His and Mine', complete poem. Collected in The Green Helmet and Other Poems (1910).