Don't be afraid to contradict yourself
Are you afraid to say bold things or express your opinion because you're worried that it maybe contradicts what you've previously said?
Just say whatever you want to say. If it contradicts what you've said or done previously, don't pay any attention to it. In fact, it's not even a bad thing.
Let other people do the mental work and analyze you. Let them spend their own time trying to figure you out and find inconsistencies in you. The more they think about you, the better for you.
This way, you're unpredictable and unpredictable people are not boring.
Look at Donald Trump. Are people analyzing him? Yes. Are they writing books and articles about him? Yes. Does he think about these people? Is he worried about being consistent in everything he has ever said? I don't think so.
There are plenty of smarter people out there, but because they're so afraid to stay consistent, they rarely put their ideas out. The result: they're unknown. They're obscure.
Also, since everything we say is nothing but a half-truth anyway, does it matter to avoid contradiction?