Possible Clues:

• Saw them advertised at times
• Aesop's morals, e.g.
• Wise observations
• "What goes up must come down," and the like
• Father saws the Times
• 'Poor Richard's Almanack' filler
• Folk sayings
• 'The early bird catches the worm' and 'Better late than never,' e.g
• Fortune cookie sayings, often
• Bits of folk wisdom