
Likewise, President John F. Kennedy’s “Ask not what your country can do for you, ask what you can do for your country” is only one idea from a much more developed speech. The speech itself may not be remembered, but the idea survives.
By the way, here’s a pop quiz: Do you notice what all three of these sticky ideas have in common? Read them again and see if you can tell.
The answer is that they are all antithetical, meaning they each present two competing thoughts and then challenge you to reconcile them. It’s a powerful device for engaging an audience’s brain.
Tim Pollard is author of The Compelling Communicator: Mastering the Art and Science of Exceptional Presentation Design. He is the founder and CEO of Oratium, a communications firm helping organizations from Fortune 500 companies to law offices hone their presentation and messaging skills. In his decades-long marketing career, Tim has held key positions with Barclays Bank, Corporate Executive Board and Peacemaker Ministries - a nonprofit specializing in conflict resolution.