He also demonstrated the Wizard's First Rule:
Don't think there are any exceptions, though there are ways to make sure that what you believe actually is true... empirical evidence for one.People are stupid. This is because they believe either what they want to be true or fear to be true.
And yes, Narnian, I know you're sick of Mr. Goodkind's Rules, but I find them quite useful and often true. Now, if he'd just stop using deus ex machinas to save Richard's hide, I'd get into the books again...