Nobody wants to read about the honest lawyer down the street who does real estate loans and wills. If you want to sell books you have to write about the interesting lawyers - the guys who steal all the money and take off. That's the fun stuff.
Wise sayings often fall on barren ground but a kind word is never thrown away.
The wisdom of the wise and the experience of the ages is preserved into perpetuity by a nation's proverbs fables folk sayings and quotations.