Possible Clues:

• End of an iffy statement
• "Ripley's Believe It __!"
• "... then again, I might be wrong"
• Part of Ripley's slogan
• "Like it __ ..."
• "... like it __!"
• '... then again, I could be wrong'
• ''Ripley's Believe It ___!''
• Jackson Browne "Ready ___"
• '... but things could change'