Selling to people who haven't bought yet:

No, they won’t respond to a better-than-them pitch. Instead, they’re much more likely to respond to a new statement of their problem and a new statement of the solution. Don’t ask them to announce that they were wrong when they decided that they didn’t need a tablet, a survival kit or an anti-impotence drug. Instead, make it easy for them to make a new decision based on new information.

Source: Seth’s Blog