Related:

• Nothing is given so profusely as advice.
  -- Francis, Duc de La Rochefoucauld (1613-1680) -- Maxim 110...
• Nothing is so useless as a general maxim.
• We desire nothing so much as what we ought not to have. -- Publius Syrus (42 BC) -- Maxim 559
• Men give away nothing so liberally as their advice. -- Francois Duc de la Rochefoucauld
• We may give advice, but we cannot inspire the conduct. (Maxim 378)
• Nothing is quite so unexpected as the truth. If, for example, you find your spells inadequate to defeat the local dragon, immediately go to your employers and apologize profusely.
  They should be so taken aback by your show of humility that you will have plenty of time to hastily vacate the area, allowing the dragon to eat your employers rather than you, and thus halt any ugly rumors they might have spread about your competence....
• The advice your son rejected is now being given by him to your grandson.
• We give nothing as willingly as our advice.
• If one has not given everything, one has given nothing. -- Georges Guyneme