If it took you an hour to come up with the truth that's likely. If you however needed thousands of hours of thinking to discover it, the case for you knowing something that other people don't know is much better.
Especially if you read various experts that connect to the topic and understand the state of the field, you can make a reasonable argument that you have something that qualifies.
Peter Thiel talks about this being a foundation for successful startups. When Mark Zuckerberg being social network he had the insight to the truth that "real identify is really important for a social network" that few other people believed.
That wasn't the insight. Google+ did more real identity than Facebook.
I'd say Zuckerberg's crucial insight was "people will still use a social website even if you don't let them customise the look of their page".
Another month, another rationality quotes thread. The rules are: