Possible Clues:

• More than one saw notice over long period
• Saws taking a long time with last bits of balsa wood
• Folk sayings
• 'The early bird catches the worm' and 'Better late than never,' e.g
• Fortune cookie sayings, often
• Bits of folk wisdom
• Sayings like "Haste makes waste"
• Lines from Homer and Erasmus
• Traditional truisms
• Saws what are not 11 across