Possible Clues:

• ' ... but I guess I could be wrong'
• Speculation follower
• "... but perhaps I'm mistaken"
• Second-guessers' words
• ''To be __ to be . . .''
• 'Whether ___ ...'
• "... however, I may be all wet"
• "... but it could be otherwise"
• 'To be -- ...'
• 'But I could be wrong'