Pearl Of Wisdom Meaning

(idiomatic, often sarcastic) A succinct, insightful saying, piece of advice, or moral precept.

Example: 1908, W. Somerset Maugham, The Magician, ch. 3:
  "I am desolated to lose the pearls of wisdom that habitually fall from your cultivated lips," returned Haddo.
2008, Ivan Speck, "Meet Raymond Domenech, the maddest coach at Euro 2008," Daily Mail Online (UK), 8 Jun. (retrieved 23 June 2008):
  How about this pearl of wisdom after France lost to Scotland again, this time in Paris? He said: "You always lose when your opponents score and you don't."