Even when you expose something, when you have a true believer, that person rejects that proof; he thinks it's just a set-up. We believe what's more convenient for us to believe. We always behave this way. We start with the conclusion, and then we create a body of theories around it. We choose what allows us not to change.
What surprises me most in architecture, as in other techniques, is that a project has one life in its built state but another in its written or drawn state.